Home / 10,985.28-16,473.78-3,963.42

Finding the Fourth Proportional to 10,985.28, 16,473.78 and 3,963.42

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Solution

The fourth proportional to 10,985.28, 16,473.78 and 3,963.42 is: 5,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.28 : 16,473.78 = 3,963.42 : x
  2. Step 2: Convert to fraction form
    10,985.28/16,473.78 = 3,963.42/x
  3. Step 3: Cross multiply
    10,985.28x = 16,473.78 × 3,963.42
  4. Step 4: Simplify right side
    10,985.28x = 65,292,509.13
  5. Step 5: Solve for x
    x = 65,292,509.13/10,985.28
  6. Step 6: Final answer
    x = 5,943.64

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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.