Home / 13,092.52-19,638.74-5,306.76

Finding the Fourth Proportional to 13,092.52, 19,638.74 and 5,306.76

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Solution

The fourth proportional to 13,092.52, 19,638.74 and 5,306.76 is: 7,960.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.52 : 19,638.74 = 5,306.76 : x
  2. Step 2: Convert to fraction form
    13,092.52/19,638.74 = 5,306.76/x
  3. Step 3: Cross multiply
    13,092.52x = 19,638.74 × 5,306.76
  4. Step 4: Simplify right side
    13,092.52x = 104,218,079.88
  5. Step 5: Solve for x
    x = 104,218,079.88/13,092.52
  6. Step 6: Final answer
    x = 7,960.12

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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.