Home / 10,224.48-14,103.76-6,440.97

Finding the Fourth Proportional to 10,224.48, 14,103.76 and 6,440.97

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Solution

The fourth proportional to 10,224.48, 14,103.76 and 6,440.97 is: 8,884.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,224.48 : 14,103.76 = 6,440.97 : x
  2. Step 2: Convert to fraction form
    10,224.48/14,103.76 = 6,440.97/x
  3. Step 3: Cross multiply
    10,224.48x = 14,103.76 × 6,440.97
  4. Step 4: Simplify right side
    10,224.48x = 90,841,824.53
  5. Step 5: Solve for x
    x = 90,841,824.53/10,224.48
  6. Step 6: Final answer
    x = 8,884.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.