Home / 20,017.08-30,026.24-6,869.28

Finding the Fourth Proportional to 20,017.08, 30,026.24 and 6,869.28

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Solution

The fourth proportional to 20,017.08, 30,026.24 and 6,869.28 is: 10,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.08 : 30,026.24 = 6,869.28 : x
  2. Step 2: Convert to fraction form
    20,017.08/30,026.24 = 6,869.28/x
  3. Step 3: Cross multiply
    20,017.08x = 30,026.24 × 6,869.28
  4. Step 4: Simplify right side
    20,017.08x = 206,258,649.91
  5. Step 5: Solve for x
    x = 206,258,649.91/20,017.08
  6. Step 6: Final answer
    x = 10,304.13

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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.