Home / 20,152.74-30,229.38-7,005.36

Finding the Fourth Proportional to 20,152.74, 30,229.38 and 7,005.36

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Solution

The fourth proportional to 20,152.74, 30,229.38 and 7,005.36 is: 10,508.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.74 : 30,229.38 = 7,005.36 : x
  2. Step 2: Convert to fraction form
    20,152.74/30,229.38 = 7,005.36/x
  3. Step 3: Cross multiply
    20,152.74x = 30,229.38 × 7,005.36
  4. Step 4: Simplify right side
    20,152.74x = 211,767,689.48
  5. Step 5: Solve for x
    x = 211,767,689.48/20,152.74
  6. Step 6: Final answer
    x = 10,508.13

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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.