Home / 12,537.38-18,800.10-4,639.55

Finding the Fourth Proportional to 12,537.38, 18,800.10 and 4,639.55

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Solution

The fourth proportional to 12,537.38, 18,800.10 and 4,639.55 is: 6,957.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.38 : 18,800.10 = 4,639.55 : x
  2. Step 2: Convert to fraction form
    12,537.38/18,800.10 = 4,639.55/x
  3. Step 3: Cross multiply
    12,537.38x = 18,800.10 × 4,639.55
  4. Step 4: Simplify right side
    12,537.38x = 87,223,909.95
  5. Step 5: Solve for x
    x = 87,223,909.95/12,537.38
  6. Step 6: Final answer
    x = 6,957.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.