Home / 12,519.64-17,277.12-6,854.92

Finding the Fourth Proportional to 12,519.64, 17,277.12 and 6,854.92

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Solution

The fourth proportional to 12,519.64, 17,277.12 and 6,854.92 is: 9,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.64 : 17,277.12 = 6,854.92 : x
  2. Step 2: Convert to fraction form
    12,519.64/17,277.12 = 6,854.92/x
  3. Step 3: Cross multiply
    12,519.64x = 17,277.12 × 6,854.92
  4. Step 4: Simplify right side
    12,519.64x = 118,433,275.43
  5. Step 5: Solve for x
    x = 118,433,275.43/12,519.64
  6. Step 6: Final answer
    x = 9,459.80

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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.