Home / 10,849.97-14,981.45-8,328.08

Finding the Fourth Proportional to 10,849.97, 14,981.45 and 8,328.08

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Solution

The fourth proportional to 10,849.97, 14,981.45 and 8,328.08 is: 11,499.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,849.97 : 14,981.45 = 8,328.08 : x
  2. Step 2: Convert to fraction form
    10,849.97/14,981.45 = 8,328.08/x
  3. Step 3: Cross multiply
    10,849.97x = 14,981.45 × 8,328.08
  4. Step 4: Simplify right side
    10,849.97x = 124,766,694.72
  5. Step 5: Solve for x
    x = 124,766,694.72/10,849.97
  6. Step 6: Final answer
    x = 11,499.27

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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.