Home / 11,377.01-15,699.75-6,341.78

Finding the Fourth Proportional to 11,377.01, 15,699.75 and 6,341.78

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Solution

The fourth proportional to 11,377.01, 15,699.75 and 6,341.78 is: 8,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.01 : 15,699.75 = 6,341.78 : x
  2. Step 2: Convert to fraction form
    11,377.01/15,699.75 = 6,341.78/x
  3. Step 3: Cross multiply
    11,377.01x = 15,699.75 × 6,341.78
  4. Step 4: Simplify right side
    11,377.01x = 99,564,282.06
  5. Step 5: Solve for x
    x = 99,564,282.06/11,377.01
  6. Step 6: Final answer
    x = 8,751.36

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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.