Home / 15,642.18-23,470.87-6,875.96

Finding the Fourth Proportional to 15,642.18, 23,470.87 and 6,875.96

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Solution

The fourth proportional to 15,642.18, 23,470.87 and 6,875.96 is: 10,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642.18 : 23,470.87 = 6,875.96 : x
  2. Step 2: Convert to fraction form
    15,642.18/23,470.87 = 6,875.96/x
  3. Step 3: Cross multiply
    15,642.18x = 23,470.87 × 6,875.96
  4. Step 4: Simplify right side
    15,642.18x = 161,384,763.29
  5. Step 5: Solve for x
    x = 161,384,763.29/15,642.18
  6. Step 6: Final answer
    x = 10,317.28

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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.