Home / 15,088.48-20,817.29-8,714.24

Finding the Fourth Proportional to 15,088.48, 20,817.29 and 8,714.24

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Solution

The fourth proportional to 15,088.48, 20,817.29 and 8,714.24 is: 12,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,088.48 : 20,817.29 = 8,714.24 : x
  2. Step 2: Convert to fraction form
    15,088.48/20,817.29 = 8,714.24/x
  3. Step 3: Cross multiply
    15,088.48x = 20,817.29 × 8,714.24
  4. Step 4: Simplify right side
    15,088.48x = 181,406,856.97
  5. Step 5: Solve for x
    x = 181,406,856.97/15,088.48
  6. Step 6: Final answer
    x = 12,022.87

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1.5x scale

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.