Home / 14,609.29-20,177.45-9,820.92

Finding the Fourth Proportional to 14,609.29, 20,177.45 and 9,820.92

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Solution

The fourth proportional to 14,609.29, 20,177.45 and 9,820.92 is: 13,564.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.29 : 20,177.45 = 9,820.92 : x
  2. Step 2: Convert to fraction form
    14,609.29/20,177.45 = 9,820.92/x
  3. Step 3: Cross multiply
    14,609.29x = 20,177.45 × 9,820.92
  4. Step 4: Simplify right side
    14,609.29x = 198,161,122.25
  5. Step 5: Solve for x
    x = 198,161,122.25/14,609.29
  6. Step 6: Final answer
    x = 13,564.05

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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.