Home / 13,350.70-20,026.05-7,445.80

Finding the Fourth Proportional to 13,350.70, 20,026.05 and 7,445.80

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Solution

The fourth proportional to 13,350.70, 20,026.05 and 7,445.80 is: 11,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.70 : 20,026.05 = 7,445.80 : x
  2. Step 2: Convert to fraction form
    13,350.70/20,026.05 = 7,445.80/x
  3. Step 3: Cross multiply
    13,350.70x = 20,026.05 × 7,445.80
  4. Step 4: Simplify right side
    13,350.70x = 149,109,963.09
  5. Step 5: Solve for x
    x = 149,109,963.09/13,350.70
  6. Step 6: Final answer
    x = 11,168.70

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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.