Home / 16,561.12-22,846.31-9,841.99

Finding the Fourth Proportional to 16,561.12, 22,846.31 and 9,841.99

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Solution

The fourth proportional to 16,561.12, 22,846.31 and 9,841.99 is: 13,577.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,561.12 : 22,846.31 = 9,841.99 : x
  2. Step 2: Convert to fraction form
    16,561.12/22,846.31 = 9,841.99/x
  3. Step 3: Cross multiply
    16,561.12x = 22,846.31 × 9,841.99
  4. Step 4: Simplify right side
    16,561.12x = 224,853,154.56
  5. Step 5: Solve for x
    x = 224,853,154.56/16,561.12
  6. Step 6: Final answer
    x = 13,577.17

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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.