Home / 14,829.92-20,470.48-9,169

Finding the Fourth Proportional to 14,829.92, 20,470.48 and 9,169

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Solution

The fourth proportional to 14,829.92, 20,470.48 and 9,169 is: 12,656.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,829.92 : 20,470.48 = 9,169 : x
  2. Step 2: Convert to fraction form
    14,829.92/20,470.48 = 9,169/x
  3. Step 3: Cross multiply
    14,829.92x = 20,470.48 × 9,169
  4. Step 4: Simplify right side
    14,829.92x = 187,693,831.12
  5. Step 5: Solve for x
    x = 187,693,831.12/14,829.92
  6. Step 6: Final answer
    x = 12,656.43

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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.