Home / 16,547.45-22,838.80-9,831.78

Finding the Fourth Proportional to 16,547.45, 22,838.80 and 9,831.78

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Solution

The fourth proportional to 16,547.45, 22,838.80 and 9,831.78 is: 13,569.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,547.45 : 22,838.80 = 9,831.78 : x
  2. Step 2: Convert to fraction form
    16,547.45/22,838.80 = 9,831.78/x
  3. Step 3: Cross multiply
    16,547.45x = 22,838.80 × 9,831.78
  4. Step 4: Simplify right side
    16,547.45x = 224,546,032.48
  5. Step 5: Solve for x
    x = 224,546,032.48/16,547.45
  6. Step 6: Final answer
    x = 13,569.83

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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.