Home / 12,476.25-18,710.34-4,154.04

Finding the Fourth Proportional to 12,476.25, 18,710.34 and 4,154.04

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Solution

The fourth proportional to 12,476.25, 18,710.34 and 4,154.04 is: 6,229.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.25 : 18,710.34 = 4,154.04 : x
  2. Step 2: Convert to fraction form
    12,476.25/18,710.34 = 4,154.04/x
  3. Step 3: Cross multiply
    12,476.25x = 18,710.34 × 4,154.04
  4. Step 4: Simplify right side
    12,476.25x = 77,723,500.77
  5. Step 5: Solve for x
    x = 77,723,500.77/12,476.25
  6. Step 6: Final answer
    x = 6,229.72

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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.