Home / 12,519.64-17,276.96-6,854.32

Finding the Fourth Proportional to 12,519.64, 17,276.96 and 6,854.32

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Solution

The fourth proportional to 12,519.64, 17,276.96 and 6,854.32 is: 9,458.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.64 : 17,276.96 = 6,854.32 : x
  2. Step 2: Convert to fraction form
    12,519.64/17,276.96 = 6,854.32/x
  3. Step 3: Cross multiply
    12,519.64x = 17,276.96 × 6,854.32
  4. Step 4: Simplify right side
    12,519.64x = 118,421,812.47
  5. Step 5: Solve for x
    x = 118,421,812.47/12,519.64
  6. Step 6: Final answer
    x = 9,458.88

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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.