Home / 13,246.35-18,280.01-7,278.14

Finding the Fourth Proportional to 13,246.35, 18,280.01 and 7,278.14

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Solution

The fourth proportional to 13,246.35, 18,280.01 and 7,278.14 is: 10,043.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.35 : 18,280.01 = 7,278.14 : x
  2. Step 2: Convert to fraction form
    13,246.35/18,280.01 = 7,278.14/x
  3. Step 3: Cross multiply
    13,246.35x = 18,280.01 × 7,278.14
  4. Step 4: Simplify right side
    13,246.35x = 133,044,398.78
  5. Step 5: Solve for x
    x = 133,044,398.78/13,246.35
  6. Step 6: Final answer
    x = 10,043.85

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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.