Home / 10,442.26-15,595.07-8,365.42

Finding the Fourth Proportional to 10,442.26, 15,595.07 and 8,365.42

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Solution

The fourth proportional to 10,442.26, 15,595.07 and 8,365.42 is: 12,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.26 : 15,595.07 = 8,365.42 : x
  2. Step 2: Convert to fraction form
    10,442.26/15,595.07 = 8,365.42/x
  3. Step 3: Cross multiply
    10,442.26x = 15,595.07 × 8,365.42
  4. Step 4: Simplify right side
    10,442.26x = 130,459,310.48
  5. Step 5: Solve for x
    x = 130,459,310.48/10,442.26
  6. Step 6: Final answer
    x = 12,493.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.