Home / 20,395.44-30,543.76-10,373.82

Finding the Fourth Proportional to 20,395.44, 30,543.76 and 10,373.82

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Solution

The fourth proportional to 20,395.44, 30,543.76 and 10,373.82 is: 15,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,395.44 : 30,543.76 = 10,373.82 : x
  2. Step 2: Convert to fraction form
    20,395.44/30,543.76 = 10,373.82/x
  3. Step 3: Cross multiply
    20,395.44x = 30,543.76 × 10,373.82
  4. Step 4: Simplify right side
    20,395.44x = 316,855,468.36
  5. Step 5: Solve for x
    x = 316,855,468.36/20,395.44
  6. Step 6: Final answer
    x = 15,535.60

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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.