Home / 19,679.30-29,510.24-5,636.13

Finding the Fourth Proportional to 19,679.30, 29,510.24 and 5,636.13

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Solution

The fourth proportional to 19,679.30, 29,510.24 and 5,636.13 is: 8,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.30 : 29,510.24 = 5,636.13 : x
  2. Step 2: Convert to fraction form
    19,679.30/29,510.24 = 5,636.13/x
  3. Step 3: Cross multiply
    19,679.30x = 29,510.24 × 5,636.13
  4. Step 4: Simplify right side
    19,679.30x = 166,323,548.97
  5. Step 5: Solve for x
    x = 166,323,548.97/19,679.30
  6. Step 6: Final answer
    x = 8,451.70

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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.