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Finding the Fourth Proportional to 10,883, 15,013.48 and 6,403.92

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Solution

The fourth proportional to 10,883, 15,013.48 and 6,403.92 is: 8,834.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883 : 15,013.48 = 6,403.92 : x
  2. Step 2: Convert to fraction form
    10,883/15,013.48 = 6,403.92/x
  3. Step 3: Cross multiply
    10,883x = 15,013.48 × 6,403.92
  4. Step 4: Simplify right side
    10,883x = 96,145,124.84
  5. Step 5: Solve for x
    x = 96,145,124.84/10,883
  6. Step 6: Final answer
    x = 8,834.43

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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.