Home / 16,639.20-22,962.29-9,085.61

Finding the Fourth Proportional to 16,639.20, 22,962.29 and 9,085.61

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Solution

The fourth proportional to 16,639.20, 22,962.29 and 9,085.61 is: 12,538.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639.20 : 22,962.29 = 9,085.61 : x
  2. Step 2: Convert to fraction form
    16,639.20/22,962.29 = 9,085.61/x
  3. Step 3: Cross multiply
    16,639.20x = 22,962.29 × 9,085.61
  4. Step 4: Simplify right side
    16,639.20x = 208,626,423.62
  5. Step 5: Solve for x
    x = 208,626,423.62/16,639.20
  6. Step 6: Final answer
    x = 12,538.25

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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.