Home / 16,310.10-22,509.33-9,237.78

Finding the Fourth Proportional to 16,310.10, 22,509.33 and 9,237.78

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Solution

The fourth proportional to 16,310.10, 22,509.33 and 9,237.78 is: 12,748.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,310.10 : 22,509.33 = 9,237.78 : x
  2. Step 2: Convert to fraction form
    16,310.10/22,509.33 = 9,237.78/x
  3. Step 3: Cross multiply
    16,310.10x = 22,509.33 × 9,237.78
  4. Step 4: Simplify right side
    16,310.10x = 207,936,238.49
  5. Step 5: Solve for x
    x = 207,936,238.49/16,310.10
  6. Step 6: Final answer
    x = 12,748.92

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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.