Home / 10,310.22-15,466.55-7,729.56

Finding the Fourth Proportional to 10,310.22, 15,466.55 and 7,729.56

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Solution

The fourth proportional to 10,310.22, 15,466.55 and 7,729.56 is: 11,595.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.22 : 15,466.55 = 7,729.56 : x
  2. Step 2: Convert to fraction form
    10,310.22/15,466.55 = 7,729.56/x
  3. Step 3: Cross multiply
    10,310.22x = 15,466.55 × 7,729.56
  4. Step 4: Simplify right side
    10,310.22x = 119,549,587.57
  5. Step 5: Solve for x
    x = 119,549,587.57/10,310.22
  6. Step 6: Final answer
    x = 11,595.25

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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.