Home / 20,256.80-30,371.02-9,714.24

Finding the Fourth Proportional to 20,256.80, 30,371.02 and 9,714.24

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Solution

The fourth proportional to 20,256.80, 30,371.02 and 9,714.24 is: 14,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256.80 : 30,371.02 = 9,714.24 : x
  2. Step 2: Convert to fraction form
    20,256.80/30,371.02 = 9,714.24/x
  3. Step 3: Cross multiply
    20,256.80x = 30,371.02 × 9,714.24
  4. Step 4: Simplify right side
    20,256.80x = 295,031,353.04
  5. Step 5: Solve for x
    x = 295,031,353.04/20,256.80
  6. Step 6: Final answer
    x = 14,564.56

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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.