Home / 12,659.48-17,466.99-7,883.18

Finding the Fourth Proportional to 12,659.48, 17,466.99 and 7,883.18

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Solution

The fourth proportional to 12,659.48, 17,466.99 and 7,883.18 is: 10,876.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659.48 : 17,466.99 = 7,883.18 : x
  2. Step 2: Convert to fraction form
    12,659.48/17,466.99 = 7,883.18/x
  3. Step 3: Cross multiply
    12,659.48x = 17,466.99 × 7,883.18
  4. Step 4: Simplify right side
    12,659.48x = 137,695,426.23
  5. Step 5: Solve for x
    x = 137,695,426.23/12,659.48
  6. Step 6: Final answer
    x = 10,876.86

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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.