Home / 10,229.76-14,113.65-8,338.08

Finding the Fourth Proportional to 10,229.76, 14,113.65 and 8,338.08

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Solution

The fourth proportional to 10,229.76, 14,113.65 and 8,338.08 is: 11,503.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229.76 : 14,113.65 = 8,338.08 : x
  2. Step 2: Convert to fraction form
    10,229.76/14,113.65 = 8,338.08/x
  3. Step 3: Cross multiply
    10,229.76x = 14,113.65 × 8,338.08
  4. Step 4: Simplify right side
    10,229.76x = 117,680,742.79
  5. Step 5: Solve for x
    x = 117,680,742.79/10,229.76
  6. Step 6: Final answer
    x = 11,503.76

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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.