Home / 15,729.65-23,598.56-5,869

Finding the Fourth Proportional to 15,729.65, 23,598.56 and 5,869

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Solution

The fourth proportional to 15,729.65, 23,598.56 and 5,869 is: 8,805.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,729.65 : 23,598.56 = 5,869 : x
  2. Step 2: Convert to fraction form
    15,729.65/23,598.56 = 5,869/x
  3. Step 3: Cross multiply
    15,729.65x = 23,598.56 × 5,869
  4. Step 4: Simplify right side
    15,729.65x = 138,499,919.30
  5. Step 5: Solve for x
    x = 138,499,919.30/15,729.65
  6. Step 6: Final answer
    x = 8,805.02

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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.