Home / 20,017.10-30,026.26-6,869.28

Finding the Fourth Proportional to 20,017.10, 30,026.26 and 6,869.28

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Solution

The fourth proportional to 20,017.10, 30,026.26 and 6,869.28 is: 10,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.10 : 30,026.26 = 6,869.28 : x
  2. Step 2: Convert to fraction form
    20,017.10/30,026.26 = 6,869.28/x
  3. Step 3: Cross multiply
    20,017.10x = 30,026.26 × 6,869.28
  4. Step 4: Simplify right side
    20,017.10x = 206,258,787.29
  5. Step 5: Solve for x
    x = 206,258,787.29/20,017.10
  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.