Home / 18,639.24-27,937.66-9,740.85

Finding the Fourth Proportional to 18,639.24, 27,937.66 and 9,740.85

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Solution

The fourth proportional to 18,639.24, 27,937.66 and 9,740.85 is: 14,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,639.24 : 27,937.66 = 9,740.85 : x
  2. Step 2: Convert to fraction form
    18,639.24/27,937.66 = 9,740.85/x
  3. Step 3: Cross multiply
    18,639.24x = 27,937.66 × 9,740.85
  4. Step 4: Simplify right side
    18,639.24x = 272,136,555.41
  5. Step 5: Solve for x
    x = 272,136,555.41/18,639.24
  6. Step 6: Final answer
    x = 14,600.20

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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.