Home / 13,134.50-19,691.30-6,557.12

Finding the Fourth Proportional to 13,134.50, 19,691.30 and 6,557.12

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Solution

The fourth proportional to 13,134.50, 19,691.30 and 6,557.12 is: 9,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.50 : 19,691.30 = 6,557.12 : x
  2. Step 2: Convert to fraction form
    13,134.50/19,691.30 = 6,557.12/x
  3. Step 3: Cross multiply
    13,134.50x = 19,691.30 × 6,557.12
  4. Step 4: Simplify right side
    13,134.50x = 129,118,217.06
  5. Step 5: Solve for x
    x = 129,118,217.06/13,134.50
  6. Step 6: Final answer
    x = 9,830.46

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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.