Home / 19,566.20-29,349.30-5,715.20

Finding the Fourth Proportional to 19,566.20, 29,349.30 and 5,715.20

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Solution

The fourth proportional to 19,566.20, 29,349.30 and 5,715.20 is: 8,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,566.20 : 29,349.30 = 5,715.20 : x
  2. Step 2: Convert to fraction form
    19,566.20/29,349.30 = 5,715.20/x
  3. Step 3: Cross multiply
    19,566.20x = 29,349.30 × 5,715.20
  4. Step 4: Simplify right side
    19,566.20x = 167,737,119.36
  5. Step 5: Solve for x
    x = 167,737,119.36/19,566.20
  6. Step 6: Final answer
    x = 8,572.80

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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.