Home / 10,281.66-15,422.22-2,886.66

Finding the Fourth Proportional to 10,281.66, 15,422.22 and 2,886.66

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Solution

The fourth proportional to 10,281.66, 15,422.22 and 2,886.66 is: 4,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.66 : 15,422.22 = 2,886.66 : x
  2. Step 2: Convert to fraction form
    10,281.66/15,422.22 = 2,886.66/x
  3. Step 3: Cross multiply
    10,281.66x = 15,422.22 × 2,886.66
  4. Step 4: Simplify right side
    10,281.66x = 44,518,705.59
  5. Step 5: Solve for x
    x = 44,518,705.59/10,281.66
  6. Step 6: Final answer
    x = 4,329.91

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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.