Home / 12,937.43-19,403.39-4,167.56

Finding the Fourth Proportional to 12,937.43, 19,403.39 and 4,167.56

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Solution

The fourth proportional to 12,937.43, 19,403.39 and 4,167.56 is: 6,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.43 : 19,403.39 = 4,167.56 : x
  2. Step 2: Convert to fraction form
    12,937.43/19,403.39 = 4,167.56/x
  3. Step 3: Cross multiply
    12,937.43x = 19,403.39 × 4,167.56
  4. Step 4: Simplify right side
    12,937.43x = 80,864,674.17
  5. Step 5: Solve for x
    x = 80,864,674.17/12,937.43
  6. Step 6: Final answer
    x = 6,250.45

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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.