Home / 15,572.27-21,490.02-8,858.04

Finding the Fourth Proportional to 15,572.27, 21,490.02 and 8,858.04

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Solution

The fourth proportional to 15,572.27, 21,490.02 and 8,858.04 is: 12,224.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572.27 : 21,490.02 = 8,858.04 : x
  2. Step 2: Convert to fraction form
    15,572.27/21,490.02 = 8,858.04/x
  3. Step 3: Cross multiply
    15,572.27x = 21,490.02 × 8,858.04
  4. Step 4: Simplify right side
    15,572.27x = 190,359,456.76
  5. Step 5: Solve for x
    x = 190,359,456.76/15,572.27
  6. Step 6: Final answer
    x = 12,224.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.