Home / 16,355.86-22,565.18-9,278.18

Finding the Fourth Proportional to 16,355.86, 22,565.18 and 9,278.18

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Solution

The fourth proportional to 16,355.86, 22,565.18 and 9,278.18 is: 12,800.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,355.86 : 22,565.18 = 9,278.18 : x
  2. Step 2: Convert to fraction form
    16,355.86/22,565.18 = 9,278.18/x
  3. Step 3: Cross multiply
    16,355.86x = 22,565.18 × 9,278.18
  4. Step 4: Simplify right side
    16,355.86x = 209,363,881.38
  5. Step 5: Solve for x
    x = 209,363,881.38/16,355.86
  6. Step 6: Final answer
    x = 12,800.54

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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.