Home / 12,512.71-17,265.63-8,037.06

Finding the Fourth Proportional to 12,512.71, 17,265.63 and 8,037.06

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Solution

The fourth proportional to 12,512.71, 17,265.63 and 8,037.06 is: 11,089.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.71 : 17,265.63 = 8,037.06 : x
  2. Step 2: Convert to fraction form
    12,512.71/17,265.63 = 8,037.06/x
  3. Step 3: Cross multiply
    12,512.71x = 17,265.63 × 8,037.06
  4. Step 4: Simplify right side
    12,512.71x = 138,764,904.25
  5. Step 5: Solve for x
    x = 138,764,904.25/12,512.71
  6. Step 6: Final answer
    x = 11,089.92

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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.