Home / 16,246.29-22,419.90-9,172.77

Finding the Fourth Proportional to 16,246.29, 22,419.90 and 9,172.77

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Solution

The fourth proportional to 16,246.29, 22,419.90 and 9,172.77 is: 12,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,246.29 : 22,419.90 = 9,172.77 : x
  2. Step 2: Convert to fraction form
    16,246.29/22,419.90 = 9,172.77/x
  3. Step 3: Cross multiply
    16,246.29x = 22,419.90 × 9,172.77
  4. Step 4: Simplify right side
    16,246.29x = 205,652,586.12
  5. Step 5: Solve for x
    x = 205,652,586.12/16,246.29
  6. Step 6: Final answer
    x = 12,658.43

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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.