Home / 22,269.96-30,711.33-13,316.01

Finding the Fourth Proportional to 22,269.96, 30,711.33 and 13,316.01

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Solution

The fourth proportional to 22,269.96, 30,711.33 and 13,316.01 is: 18,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.96 : 30,711.33 = 13,316.01 : x
  2. Step 2: Convert to fraction form
    22,269.96/30,711.33 = 13,316.01/x
  3. Step 3: Cross multiply
    22,269.96x = 30,711.33 × 13,316.01
  4. Step 4: Simplify right side
    22,269.96x = 408,952,377.39
  5. Step 5: Solve for x
    x = 408,952,377.39/22,269.96
  6. Step 6: Final answer
    x = 18,363.41

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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.