Home / 22,372.13-30,873.92-12,300.99

Finding the Fourth Proportional to 22,372.13, 30,873.92 and 12,300.99

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Solution

The fourth proportional to 22,372.13, 30,873.92 and 12,300.99 is: 16,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,372.13 : 30,873.92 = 12,300.99 : x
  2. Step 2: Convert to fraction form
    22,372.13/30,873.92 = 12,300.99/x
  3. Step 3: Cross multiply
    22,372.13x = 30,873.92 × 12,300.99
  4. Step 4: Simplify right side
    22,372.13x = 379,779,781.18
  5. Step 5: Solve for x
    x = 379,779,781.18/22,372.13
  6. Step 6: Final answer
    x = 16,975.58

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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.