Home / 15,437.30-23,155.89-5,576.56

Finding the Fourth Proportional to 15,437.30, 23,155.89 and 5,576.56

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Solution

The fourth proportional to 15,437.30, 23,155.89 and 5,576.56 is: 8,364.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,437.30 : 23,155.89 = 5,576.56 : x
  2. Step 2: Convert to fraction form
    15,437.30/23,155.89 = 5,576.56/x
  3. Step 3: Cross multiply
    15,437.30x = 23,155.89 × 5,576.56
  4. Step 4: Simplify right side
    15,437.30x = 129,130,131.14
  5. Step 5: Solve for x
    x = 129,130,131.14/15,437.30
  6. Step 6: Final answer
    x = 8,364.82

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.