Home / 12,251.53-18,376.95-3,931.52

Finding the Fourth Proportional to 12,251.53, 18,376.95 and 3,931.52

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Solution

The fourth proportional to 12,251.53, 18,376.95 and 3,931.52 is: 5,897.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.53 : 18,376.95 = 3,931.52 : x
  2. Step 2: Convert to fraction form
    12,251.53/18,376.95 = 3,931.52/x
  3. Step 3: Cross multiply
    12,251.53x = 18,376.95 × 3,931.52
  4. Step 4: Simplify right side
    12,251.53x = 72,249,269.32
  5. Step 5: Solve for x
    x = 72,249,269.32/12,251.53
  6. Step 6: Final answer
    x = 5,897.16

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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.