Home / 10,248.07-15,372.10-7,911.48

Finding the Fourth Proportional to 10,248.07, 15,372.10 and 7,911.48

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Solution

The fourth proportional to 10,248.07, 15,372.10 and 7,911.48 is: 11,867.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,248.07 : 15,372.10 = 7,911.48 : x
  2. Step 2: Convert to fraction form
    10,248.07/15,372.10 = 7,911.48/x
  3. Step 3: Cross multiply
    10,248.07x = 15,372.10 × 7,911.48
  4. Step 4: Simplify right side
    10,248.07x = 121,616,119.92
  5. Step 5: Solve for x
    x = 121,616,119.92/10,248.07
  6. Step 6: Final answer
    x = 11,867.23

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1.5x scale

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.