Home / 12,972.89-19,465.10-6,306.41

Finding the Fourth Proportional to 12,972.89, 19,465.10 and 6,306.41

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Solution

The fourth proportional to 12,972.89, 19,465.10 and 6,306.41 is: 9,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,972.89 : 19,465.10 = 6,306.41 : x
  2. Step 2: Convert to fraction form
    12,972.89/19,465.10 = 6,306.41/x
  3. Step 3: Cross multiply
    12,972.89x = 19,465.10 × 6,306.41
  4. Step 4: Simplify right side
    12,972.89x = 122,754,901.29
  5. Step 5: Solve for x
    x = 122,754,901.29/12,972.89
  6. Step 6: Final answer
    x = 9,462.42

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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.