Home / 13,437.14-20,156.55-3,576.20

Finding the Fourth Proportional to 13,437.14, 20,156.55 and 3,576.20

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Solution

The fourth proportional to 13,437.14, 20,156.55 and 3,576.20 is: 5,364.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.14 : 20,156.55 = 3,576.20 : x
  2. Step 2: Convert to fraction form
    13,437.14/20,156.55 = 3,576.20/x
  3. Step 3: Cross multiply
    13,437.14x = 20,156.55 × 3,576.20
  4. Step 4: Simplify right side
    13,437.14x = 72,083,853.30
  5. Step 5: Solve for x
    x = 72,083,853.30/13,437.14
  6. Step 6: Final answer
    x = 5,364.52

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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.