Home / 12,972.41-19,476.12-8,301.55

Finding the Fourth Proportional to 12,972.41, 19,476.12 and 8,301.55

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Solution

The fourth proportional to 12,972.41, 19,476.12 and 8,301.55 is: 12,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,972.41 : 19,476.12 = 8,301.55 : x
  2. Step 2: Convert to fraction form
    12,972.41/19,476.12 = 8,301.55/x
  3. Step 3: Cross multiply
    12,972.41x = 19,476.12 × 8,301.55
  4. Step 4: Simplify right side
    12,972.41x = 161,681,935.30
  5. Step 5: Solve for x
    x = 161,681,935.30/12,972.41
  6. Step 6: Final answer
    x = 12,463.52

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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.