Home / 12,337.47-18,511.58-4,020.10

Finding the Fourth Proportional to 12,337.47, 18,511.58 and 4,020.10

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Solution

The fourth proportional to 12,337.47, 18,511.58 and 4,020.10 is: 6,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,337.47 : 18,511.58 = 4,020.10 : x
  2. Step 2: Convert to fraction form
    12,337.47/18,511.58 = 4,020.10/x
  3. Step 3: Cross multiply
    12,337.47x = 18,511.58 × 4,020.10
  4. Step 4: Simplify right side
    12,337.47x = 74,418,366.53
  5. Step 5: Solve for x
    x = 74,418,366.53/12,337.47
  6. Step 6: Final answer
    x = 6,031.90

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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.