Home / 12,287.13-18,428.88-6,045.48

Finding the Fourth Proportional to 12,287.13, 18,428.88 and 6,045.48

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Solution

The fourth proportional to 12,287.13, 18,428.88 and 6,045.48 is: 9,067.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287.13 : 18,428.88 = 6,045.48 : x
  2. Step 2: Convert to fraction form
    12,287.13/18,428.88 = 6,045.48/x
  3. Step 3: Cross multiply
    12,287.13x = 18,428.88 × 6,045.48
  4. Step 4: Simplify right side
    12,287.13x = 111,411,425.46
  5. Step 5: Solve for x
    x = 111,411,425.46/12,287.13
  6. Step 6: Final answer
    x = 9,067.33

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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.