Home / 15,110.80-22,666.20-13,725.70

Finding the Fourth Proportional to 15,110.80, 22,666.20 and 13,725.70

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Solution

The fourth proportional to 15,110.80, 22,666.20 and 13,725.70 is: 20,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110.80 : 22,666.20 = 13,725.70 : x
  2. Step 2: Convert to fraction form
    15,110.80/22,666.20 = 13,725.70/x
  3. Step 3: Cross multiply
    15,110.80x = 22,666.20 × 13,725.70
  4. Step 4: Simplify right side
    15,110.80x = 311,109,461.34
  5. Step 5: Solve for x
    x = 311,109,461.34/15,110.80
  6. Step 6: Final answer
    x = 20,588.55

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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.