Home / 15,458.31-23,187.87-6,693.30

Finding the Fourth Proportional to 15,458.31, 23,187.87 and 6,693.30

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Solution

The fourth proportional to 15,458.31, 23,187.87 and 6,693.30 is: 10,040.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458.31 : 23,187.87 = 6,693.30 : x
  2. Step 2: Convert to fraction form
    15,458.31/23,187.87 = 6,693.30/x
  3. Step 3: Cross multiply
    15,458.31x = 23,187.87 × 6,693.30
  4. Step 4: Simplify right side
    15,458.31x = 155,203,370.27
  5. Step 5: Solve for x
    x = 155,203,370.27/15,458.31
  6. Step 6: Final answer
    x = 10,040.13

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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.