Home / 14,785.48-20,403.98-9,480.29

Finding the Fourth Proportional to 14,785.48, 20,403.98 and 9,480.29

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Solution

The fourth proportional to 14,785.48, 20,403.98 and 9,480.29 is: 13,082.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785.48 : 20,403.98 = 9,480.29 : x
  2. Step 2: Convert to fraction form
    14,785.48/20,403.98 = 9,480.29/x
  3. Step 3: Cross multiply
    14,785.48x = 20,403.98 × 9,480.29
  4. Step 4: Simplify right side
    14,785.48x = 193,435,724.97
  5. Step 5: Solve for x
    x = 193,435,724.97/14,785.48
  6. Step 6: Final answer
    x = 13,082.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.