Home / 15,966.99-22,034.41-8,895.08

Finding the Fourth Proportional to 15,966.99, 22,034.41 and 8,895.08

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Solution

The fourth proportional to 15,966.99, 22,034.41 and 8,895.08 is: 12,275.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966.99 : 22,034.41 = 8,895.08 : x
  2. Step 2: Convert to fraction form
    15,966.99/22,034.41 = 8,895.08/x
  3. Step 3: Cross multiply
    15,966.99x = 22,034.41 × 8,895.08
  4. Step 4: Simplify right side
    15,966.99x = 195,997,839.70
  5. Step 5: Solve for x
    x = 195,997,839.70/15,966.99
  6. Step 6: Final answer
    x = 12,275.19

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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.