Home / 10,703.40-16,053.60-3,305.76

Finding the Fourth Proportional to 10,703.40, 16,053.60 and 3,305.76

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Solution

The fourth proportional to 10,703.40, 16,053.60 and 3,305.76 is: 4,958.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,703.40 : 16,053.60 = 3,305.76 : x
  2. Step 2: Convert to fraction form
    10,703.40/16,053.60 = 3,305.76/x
  3. Step 3: Cross multiply
    10,703.40x = 16,053.60 × 3,305.76
  4. Step 4: Simplify right side
    10,703.40x = 53,069,348.74
  5. Step 5: Solve for x
    x = 53,069,348.74/10,703.40
  6. Step 6: Final answer
    x = 4,958.18

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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.