Home / 12,519.96-17,275.50-7,214.52

Finding the Fourth Proportional to 12,519.96, 17,275.50 and 7,214.52

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Solution

The fourth proportional to 12,519.96, 17,275.50 and 7,214.52 is: 9,954.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.96 : 17,275.50 = 7,214.52 : x
  2. Step 2: Convert to fraction form
    12,519.96/17,275.50 = 7,214.52/x
  3. Step 3: Cross multiply
    12,519.96x = 17,275.50 × 7,214.52
  4. Step 4: Simplify right side
    12,519.96x = 124,634,440.26
  5. Step 5: Solve for x
    x = 124,634,440.26/12,519.96
  6. Step 6: Final answer
    x = 9,954.86

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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.