Home / 12,557.58-18,834.86-5,988.38

Finding the Fourth Proportional to 12,557.58, 18,834.86 and 5,988.38

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Solution

The fourth proportional to 12,557.58, 18,834.86 and 5,988.38 is: 8,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.58 : 18,834.86 = 5,988.38 : x
  2. Step 2: Convert to fraction form
    12,557.58/18,834.86 = 5,988.38/x
  3. Step 3: Cross multiply
    12,557.58x = 18,834.86 × 5,988.38
  4. Step 4: Simplify right side
    12,557.58x = 112,790,298.93
  5. Step 5: Solve for x
    x = 112,790,298.93/12,557.58
  6. Step 6: Final answer
    x = 8,981.85

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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.