Home / 10,281.87-15,422.67-2,886.30

Finding the Fourth Proportional to 10,281.87, 15,422.67 and 2,886.30

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Solution

The fourth proportional to 10,281.87, 15,422.67 and 2,886.30 is: 4,329.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.87 : 15,422.67 = 2,886.30 : x
  2. Step 2: Convert to fraction form
    10,281.87/15,422.67 = 2,886.30/x
  3. Step 3: Cross multiply
    10,281.87x = 15,422.67 × 2,886.30
  4. Step 4: Simplify right side
    10,281.87x = 44,514,452.42
  5. Step 5: Solve for x
    x = 44,514,452.42/10,281.87
  6. Step 6: Final answer
    x = 4,329.41

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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.