Home / 19,715.27-29,586.24-8,615.57

Finding the Fourth Proportional to 19,715.27, 29,586.24 and 8,615.57

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Solution

The fourth proportional to 19,715.27, 29,586.24 and 8,615.57 is: 12,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.27 : 29,586.24 = 8,615.57 : x
  2. Step 2: Convert to fraction form
    19,715.27/29,586.24 = 8,615.57/x
  3. Step 3: Cross multiply
    19,715.27x = 29,586.24 × 8,615.57
  4. Step 4: Simplify right side
    19,715.27x = 254,902,149.59
  5. Step 5: Solve for x
    x = 254,902,149.59/19,715.27
  6. Step 6: Final answer
    x = 12,929.17

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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.