Home / 10,240.48-15,391.01-8,496.79

Finding the Fourth Proportional to 10,240.48, 15,391.01 and 8,496.79

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Solution

The fourth proportional to 10,240.48, 15,391.01 and 8,496.79 is: 12,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.48 : 15,391.01 = 8,496.79 : x
  2. Step 2: Convert to fraction form
    10,240.48/15,391.01 = 8,496.79/x
  3. Step 3: Cross multiply
    10,240.48x = 15,391.01 × 8,496.79
  4. Step 4: Simplify right side
    10,240.48x = 130,774,179.86
  5. Step 5: Solve for x
    x = 130,774,179.86/10,240.48
  6. Step 6: Final answer
    x = 12,770.32

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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.