Home / 12,519.13-18,778.68-5,026.06

Finding the Fourth Proportional to 12,519.13, 18,778.68 and 5,026.06

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Solution

The fourth proportional to 12,519.13, 18,778.68 and 5,026.06 is: 7,539.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.13 : 18,778.68 = 5,026.06 : x
  2. Step 2: Convert to fraction form
    12,519.13/18,778.68 = 5,026.06/x
  3. Step 3: Cross multiply
    12,519.13x = 18,778.68 × 5,026.06
  4. Step 4: Simplify right side
    12,519.13x = 94,382,772.40
  5. Step 5: Solve for x
    x = 94,382,772.40/12,519.13
  6. Step 6: Final answer
    x = 7,539.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.