Home / 12,214.31-16,860.08-7,432.07

Finding the Fourth Proportional to 12,214.31, 16,860.08 and 7,432.07

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Solution

The fourth proportional to 12,214.31, 16,860.08 and 7,432.07 is: 10,258.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.31 : 16,860.08 = 7,432.07 : x
  2. Step 2: Convert to fraction form
    12,214.31/16,860.08 = 7,432.07/x
  3. Step 3: Cross multiply
    12,214.31x = 16,860.08 × 7,432.07
  4. Step 4: Simplify right side
    12,214.31x = 125,305,229.05
  5. Step 5: Solve for x
    x = 125,305,229.05/12,214.31
  6. Step 6: Final answer
    x = 10,258.89

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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.