Home / 14,155.38-21,203.90-8,294.22

Finding the Fourth Proportional to 14,155.38, 21,203.90 and 8,294.22

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Solution

The fourth proportional to 14,155.38, 21,203.90 and 8,294.22 is: 12,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.38 : 21,203.90 = 8,294.22 : x
  2. Step 2: Convert to fraction form
    14,155.38/21,203.90 = 8,294.22/x
  3. Step 3: Cross multiply
    14,155.38x = 21,203.90 × 8,294.22
  4. Step 4: Simplify right side
    14,155.38x = 175,869,811.46
  5. Step 5: Solve for x
    x = 175,869,811.46/14,155.38
  6. Step 6: Final answer
    x = 12,424.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.