Home / 15,646.28-23,472.49-5,785.64

Finding the Fourth Proportional to 15,646.28, 23,472.49 and 5,785.64

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Solution

The fourth proportional to 15,646.28, 23,472.49 and 5,785.64 is: 8,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,646.28 : 23,472.49 = 5,785.64 : x
  2. Step 2: Convert to fraction form
    15,646.28/23,472.49 = 5,785.64/x
  3. Step 3: Cross multiply
    15,646.28x = 23,472.49 × 5,785.64
  4. Step 4: Simplify right side
    15,646.28x = 135,803,381.16
  5. Step 5: Solve for x
    x = 135,803,381.16/15,646.28
  6. Step 6: Final answer
    x = 8,679.60

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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.