Home / 10,238.30-15,357.44-2,842.76

Finding the Fourth Proportional to 10,238.30, 15,357.44 and 2,842.76

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Solution

The fourth proportional to 10,238.30, 15,357.44 and 2,842.76 is: 4,264.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,238.30 : 15,357.44 = 2,842.76 : x
  2. Step 2: Convert to fraction form
    10,238.30/15,357.44 = 2,842.76/x
  3. Step 3: Cross multiply
    10,238.30x = 15,357.44 × 2,842.76
  4. Step 4: Simplify right side
    10,238.30x = 43,657,439.35
  5. Step 5: Solve for x
    x = 43,657,439.35/10,238.30
  6. Step 6: Final answer
    x = 4,264.13

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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.