Home / 13,370.60-20,044.56-7,528.88

Finding the Fourth Proportional to 13,370.60, 20,044.56 and 7,528.88

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Solution

The fourth proportional to 13,370.60, 20,044.56 and 7,528.88 is: 11,286.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.60 : 20,044.56 = 7,528.88 : x
  2. Step 2: Convert to fraction form
    13,370.60/20,044.56 = 7,528.88/x
  3. Step 3: Cross multiply
    13,370.60x = 20,044.56 × 7,528.88
  4. Step 4: Simplify right side
    13,370.60x = 150,913,086.89
  5. Step 5: Solve for x
    x = 150,913,086.89/13,370.60
  6. Step 6: Final answer
    x = 11,286.93

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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.