Home / 10,242.90-15,363.54-3,668.40

Finding the Fourth Proportional to 10,242.90, 15,363.54 and 3,668.40

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Solution

The fourth proportional to 10,242.90, 15,363.54 and 3,668.40 is: 5,502.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.90 : 15,363.54 = 3,668.40 : x
  2. Step 2: Convert to fraction form
    10,242.90/15,363.54 = 3,668.40/x
  3. Step 3: Cross multiply
    10,242.90x = 15,363.54 × 3,668.40
  4. Step 4: Simplify right side
    10,242.90x = 56,359,610.14
  5. Step 5: Solve for x
    x = 56,359,610.14/10,242.90
  6. Step 6: Final answer
    x = 5,502.31

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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.