Home / 11,377.47-15,701.40-6,341.69

Finding the Fourth Proportional to 11,377.47, 15,701.40 and 6,341.69

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Solution

The fourth proportional to 11,377.47, 15,701.40 and 6,341.69 is: 8,751.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.47 : 15,701.40 = 6,341.69 : x
  2. Step 2: Convert to fraction form
    11,377.47/15,701.40 = 6,341.69/x
  3. Step 3: Cross multiply
    11,377.47x = 15,701.40 × 6,341.69
  4. Step 4: Simplify right side
    11,377.47x = 99,573,450.62
  5. Step 5: Solve for x
    x = 99,573,450.62/11,377.47
  6. Step 6: Final answer
    x = 8,751.81

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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.