Home / 14,358.90-21,541.38-7,247.19

Finding the Fourth Proportional to 14,358.90, 21,541.38 and 7,247.19

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Solution

The fourth proportional to 14,358.90, 21,541.38 and 7,247.19 is: 10,872.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.90 : 21,541.38 = 7,247.19 : x
  2. Step 2: Convert to fraction form
    14,358.90/21,541.38 = 7,247.19/x
  3. Step 3: Cross multiply
    14,358.90x = 21,541.38 × 7,247.19
  4. Step 4: Simplify right side
    14,358.90x = 156,114,473.72
  5. Step 5: Solve for x
    x = 156,114,473.72/14,358.90
  6. Step 6: Final answer
    x = 10,872.31

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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.