Home / 15,162.90-22,745.38-6,398.58

Finding the Fourth Proportional to 15,162.90, 22,745.38 and 6,398.58

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Solution

The fourth proportional to 15,162.90, 22,745.38 and 6,398.58 is: 9,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,162.90 : 22,745.38 = 6,398.58 : x
  2. Step 2: Convert to fraction form
    15,162.90/22,745.38 = 6,398.58/x
  3. Step 3: Cross multiply
    15,162.90x = 22,745.38 × 6,398.58
  4. Step 4: Simplify right side
    15,162.90x = 145,538,133.56
  5. Step 5: Solve for x
    x = 145,538,133.56/15,162.90
  6. Step 6: Final answer
    x = 9,598.30

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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.