Home / 10,159.30-15,238.95-4,961.53

Finding the Fourth Proportional to 10,159.30, 15,238.95 and 4,961.53

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Solution

The fourth proportional to 10,159.30, 15,238.95 and 4,961.53 is: 7,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.30 : 15,238.95 = 4,961.53 : x
  2. Step 2: Convert to fraction form
    10,159.30/15,238.95 = 4,961.53/x
  3. Step 3: Cross multiply
    10,159.30x = 15,238.95 × 4,961.53
  4. Step 4: Simplify right side
    10,159.30x = 75,608,535.95
  5. Step 5: Solve for x
    x = 75,608,535.95/10,159.30
  6. Step 6: Final answer
    x = 7,442.30

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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.