Home / 10,015.90-15,026.31-3,442.18

Finding the Fourth Proportional to 10,015.90, 15,026.31 and 3,442.18

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Solution

The fourth proportional to 10,015.90, 15,026.31 and 3,442.18 is: 5,164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.90 : 15,026.31 = 3,442.18 : x
  2. Step 2: Convert to fraction form
    10,015.90/15,026.31 = 3,442.18/x
  3. Step 3: Cross multiply
    10,015.90x = 15,026.31 × 3,442.18
  4. Step 4: Simplify right side
    10,015.90x = 51,723,263.76
  5. Step 5: Solve for x
    x = 51,723,263.76/10,015.90
  6. Step 6: Final answer
    x = 5,164.12

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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.