Home / 15,188.60-22,673.03-13,121.89

Finding the Fourth Proportional to 15,188.60, 22,673.03 and 13,121.89

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Solution

The fourth proportional to 15,188.60, 22,673.03 and 13,121.89 is: 19,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188.60 : 22,673.03 = 13,121.89 : x
  2. Step 2: Convert to fraction form
    15,188.60/22,673.03 = 13,121.89/x
  3. Step 3: Cross multiply
    15,188.60x = 22,673.03 × 13,121.89
  4. Step 4: Simplify right side
    15,188.60x = 297,512,883.33
  5. Step 5: Solve for x
    x = 297,512,883.33/15,188.60
  6. Step 6: Final answer
    x = 19,587.90

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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.