Home / 16,558.10-22,855.11-9,489.23

Finding the Fourth Proportional to 16,558.10, 22,855.11 and 9,489.23

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Solution

The fourth proportional to 16,558.10, 22,855.11 and 9,489.23 is: 13,097.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,558.10 : 22,855.11 = 9,489.23 : x
  2. Step 2: Convert to fraction form
    16,558.10/22,855.11 = 9,489.23/x
  3. Step 3: Cross multiply
    16,558.10x = 22,855.11 × 9,489.23
  4. Step 4: Simplify right side
    16,558.10x = 216,877,395.47
  5. Step 5: Solve for x
    x = 216,877,395.47/16,558.10
  6. Step 6: Final answer
    x = 13,097.96

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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.