Home / 12,227.19-18,340.79-4,335.50

Finding the Fourth Proportional to 12,227.19, 18,340.79 and 4,335.50

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Solution

The fourth proportional to 12,227.19, 18,340.79 and 4,335.50 is: 6,503.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.19 : 18,340.79 = 4,335.50 : x
  2. Step 2: Convert to fraction form
    12,227.19/18,340.79 = 4,335.50/x
  3. Step 3: Cross multiply
    12,227.19x = 18,340.79 × 4,335.50
  4. Step 4: Simplify right side
    12,227.19x = 79,516,381.66
  5. Step 5: Solve for x
    x = 79,516,381.66/12,227.19
  6. Step 6: Final answer
    x = 6,503.24

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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.