Home / 10,885.79-15,006.33-8,493.08

Finding the Fourth Proportional to 10,885.79, 15,006.33 and 8,493.08

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Solution

The fourth proportional to 10,885.79, 15,006.33 and 8,493.08 is: 11,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.79 : 15,006.33 = 8,493.08 : x
  2. Step 2: Convert to fraction form
    10,885.79/15,006.33 = 8,493.08/x
  3. Step 3: Cross multiply
    10,885.79x = 15,006.33 × 8,493.08
  4. Step 4: Simplify right side
    10,885.79x = 127,449,961.20
  5. Step 5: Solve for x
    x = 127,449,961.20/10,885.79
  6. Step 6: Final answer
    x = 11,707.92

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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.