Home / 10,256.13-15,382.98-3,330.63

Finding the Fourth Proportional to 10,256.13, 15,382.98 and 3,330.63

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Solution

The fourth proportional to 10,256.13, 15,382.98 and 3,330.63 is: 4,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.13 : 15,382.98 = 3,330.63 : x
  2. Step 2: Convert to fraction form
    10,256.13/15,382.98 = 3,330.63/x
  3. Step 3: Cross multiply
    10,256.13x = 15,382.98 × 3,330.63
  4. Step 4: Simplify right side
    10,256.13x = 51,235,014.68
  5. Step 5: Solve for x
    x = 51,235,014.68/10,256.13
  6. Step 6: Final answer
    x = 4,995.55

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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.