Home / 10,218.16-15,323.46-3,643.12

Finding the Fourth Proportional to 10,218.16, 15,323.46 and 3,643.12

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Solution

The fourth proportional to 10,218.16, 15,323.46 and 3,643.12 is: 5,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.16 : 15,323.46 = 3,643.12 : x
  2. Step 2: Convert to fraction form
    10,218.16/15,323.46 = 3,643.12/x
  3. Step 3: Cross multiply
    10,218.16x = 15,323.46 × 3,643.12
  4. Step 4: Simplify right side
    10,218.16x = 55,825,203.60
  5. Step 5: Solve for x
    x = 55,825,203.60/10,218.16
  6. Step 6: Final answer
    x = 5,463.33

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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.