Home / 10,124.20-13,965.78-5,931.64

Finding the Fourth Proportional to 10,124.20, 13,965.78 and 5,931.64

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Solution

The fourth proportional to 10,124.20, 13,965.78 and 5,931.64 is: 8,182.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.20 : 13,965.78 = 5,931.64 : x
  2. Step 2: Convert to fraction form
    10,124.20/13,965.78 = 5,931.64/x
  3. Step 3: Cross multiply
    10,124.20x = 13,965.78 × 5,931.64
  4. Step 4: Simplify right side
    10,124.20x = 82,839,979.28
  5. Step 5: Solve for x
    x = 82,839,979.28/10,124.20
  6. Step 6: Final answer
    x = 8,182.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.