Home / 12,508.47-17,261.03-6,842.12

Finding the Fourth Proportional to 12,508.47, 17,261.03 and 6,842.12

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Solution

The fourth proportional to 12,508.47, 17,261.03 and 6,842.12 is: 9,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.47 : 17,261.03 = 6,842.12 : x
  2. Step 2: Convert to fraction form
    12,508.47/17,261.03 = 6,842.12/x
  3. Step 3: Cross multiply
    12,508.47x = 17,261.03 × 6,842.12
  4. Step 4: Simplify right side
    12,508.47x = 118,101,969.38
  5. Step 5: Solve for x
    x = 118,101,969.38/12,508.47
  6. Step 6: Final answer
    x = 9,441.76

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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.