Home / 11,022.19-15,210.31-6,306.18

Finding the Fourth Proportional to 11,022.19, 15,210.31 and 6,306.18

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Solution

The fourth proportional to 11,022.19, 15,210.31 and 6,306.18 is: 8,702.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.19 : 15,210.31 = 6,306.18 : x
  2. Step 2: Convert to fraction form
    11,022.19/15,210.31 = 6,306.18/x
  3. Step 3: Cross multiply
    11,022.19x = 15,210.31 × 6,306.18
  4. Step 4: Simplify right side
    11,022.19x = 95,918,952.72
  5. Step 5: Solve for x
    x = 95,918,952.72/11,022.19
  6. Step 6: Final answer
    x = 8,702.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.