Home / 15,533.16-23,299.78-7,212.12

Finding the Fourth Proportional to 15,533.16, 23,299.78 and 7,212.12

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Solution

The fourth proportional to 15,533.16, 23,299.78 and 7,212.12 is: 10,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,533.16 : 23,299.78 = 7,212.12 : x
  2. Step 2: Convert to fraction form
    15,533.16/23,299.78 = 7,212.12/x
  3. Step 3: Cross multiply
    15,533.16x = 23,299.78 × 7,212.12
  4. Step 4: Simplify right side
    15,533.16x = 168,040,809.33
  5. Step 5: Solve for x
    x = 168,040,809.33/15,533.16
  6. Step 6: Final answer
    x = 10,818.20

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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.