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Finding the Fourth Proportional to 16,053.54, 22,155.54 and 9,247.80

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Solution

The fourth proportional to 16,053.54, 22,155.54 and 9,247.80 is: 12,762.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,053.54 : 22,155.54 = 9,247.80 : x
  2. Step 2: Convert to fraction form
    16,053.54/22,155.54 = 9,247.80/x
  3. Step 3: Cross multiply
    16,053.54x = 22,155.54 × 9,247.80
  4. Step 4: Simplify right side
    16,053.54x = 204,890,002.81
  5. Step 5: Solve for x
    x = 204,890,002.81/16,053.54
  6. Step 6: Final answer
    x = 12,762.92

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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.