Home / 15,224.30-22,779.02-8,987.70

Finding the Fourth Proportional to 15,224.30, 22,779.02 and 8,987.70

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Solution

The fourth proportional to 15,224.30, 22,779.02 and 8,987.70 is: 13,447.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224.30 : 22,779.02 = 8,987.70 : x
  2. Step 2: Convert to fraction form
    15,224.30/22,779.02 = 8,987.70/x
  3. Step 3: Cross multiply
    15,224.30x = 22,779.02 × 8,987.70
  4. Step 4: Simplify right side
    15,224.30x = 204,730,998.05
  5. Step 5: Solve for x
    x = 204,730,998.05/15,224.30
  6. Step 6: Final answer
    x = 13,447.65

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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.