Home / 15,160.80-22,622.62-13,584.76

Finding the Fourth Proportional to 15,160.80, 22,622.62 and 13,584.76

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Solution

The fourth proportional to 15,160.80, 22,622.62 and 13,584.76 is: 20,270.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,160.80 : 22,622.62 = 13,584.76 : x
  2. Step 2: Convert to fraction form
    15,160.80/22,622.62 = 13,584.76/x
  3. Step 3: Cross multiply
    15,160.80x = 22,622.62 × 13,584.76
  4. Step 4: Simplify right side
    15,160.80x = 307,322,887.27
  5. Step 5: Solve for x
    x = 307,322,887.27/15,160.80
  6. Step 6: Final answer
    x = 20,270.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.