Home / 13,360.07-20,049.03-7,124.37

Finding the Fourth Proportional to 13,360.07, 20,049.03 and 7,124.37

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Solution

The fourth proportional to 13,360.07, 20,049.03 and 7,124.37 is: 10,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.07 : 20,049.03 = 7,124.37 : x
  2. Step 2: Convert to fraction form
    13,360.07/20,049.03 = 7,124.37/x
  3. Step 3: Cross multiply
    13,360.07x = 20,049.03 × 7,124.37
  4. Step 4: Simplify right side
    13,360.07x = 142,836,707.86
  5. Step 5: Solve for x
    x = 142,836,707.86/13,360.07
  6. Step 6: Final answer
    x = 10,691.32

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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.