Home / 16,561.14-22,855.17-9,487.58

Finding the Fourth Proportional to 16,561.14, 22,855.17 and 9,487.58

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Solution

The fourth proportional to 16,561.14, 22,855.17 and 9,487.58 is: 13,093.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,561.14 : 22,855.17 = 9,487.58 : x
  2. Step 2: Convert to fraction form
    16,561.14/22,855.17 = 9,487.58/x
  3. Step 3: Cross multiply
    16,561.14x = 22,855.17 × 9,487.58
  4. Step 4: Simplify right side
    16,561.14x = 216,840,139.51
  5. Step 5: Solve for x
    x = 216,840,139.51/16,561.14
  6. Step 6: Final answer
    x = 13,093.31

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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.