Home / 18,634.47-27,948.14-7,236.40

Finding the Fourth Proportional to 18,634.47, 27,948.14 and 7,236.40

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Solution

The fourth proportional to 18,634.47, 27,948.14 and 7,236.40 is: 10,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.47 : 27,948.14 = 7,236.40 : x
  2. Step 2: Convert to fraction form
    18,634.47/27,948.14 = 7,236.40/x
  3. Step 3: Cross multiply
    18,634.47x = 27,948.14 × 7,236.40
  4. Step 4: Simplify right side
    18,634.47x = 202,243,920.30
  5. Step 5: Solve for x
    x = 202,243,920.30/18,634.47
  6. Step 6: Final answer
    x = 10,853.22

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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.