Home / 15,809.13-23,714.30-4,122.45

Finding the Fourth Proportional to 15,809.13, 23,714.30 and 4,122.45

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Solution

The fourth proportional to 15,809.13, 23,714.30 and 4,122.45 is: 6,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809.13 : 23,714.30 = 4,122.45 : x
  2. Step 2: Convert to fraction form
    15,809.13/23,714.30 = 4,122.45/x
  3. Step 3: Cross multiply
    15,809.13x = 23,714.30 × 4,122.45
  4. Step 4: Simplify right side
    15,809.13x = 97,761,016.04
  5. Step 5: Solve for x
    x = 97,761,016.04/15,809.13
  6. Step 6: Final answer
    x = 6,183.83

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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.