Home / 10,218.88-15,328.80-3,298.24

Finding the Fourth Proportional to 10,218.88, 15,328.80 and 3,298.24

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Solution

The fourth proportional to 10,218.88, 15,328.80 and 3,298.24 is: 4,947.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.88 : 15,328.80 = 3,298.24 : x
  2. Step 2: Convert to fraction form
    10,218.88/15,328.80 = 3,298.24/x
  3. Step 3: Cross multiply
    10,218.88x = 15,328.80 × 3,298.24
  4. Step 4: Simplify right side
    10,218.88x = 50,558,061.31
  5. Step 5: Solve for x
    x = 50,558,061.31/10,218.88
  6. Step 6: Final answer
    x = 4,947.51

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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.