Home / 11,215.74-15,477.51-6,180.42

Finding the Fourth Proportional to 11,215.74, 15,477.51 and 6,180.42

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Solution

The fourth proportional to 11,215.74, 15,477.51 and 6,180.42 is: 8,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.74 : 15,477.51 = 6,180.42 : x
  2. Step 2: Convert to fraction form
    11,215.74/15,477.51 = 6,180.42/x
  3. Step 3: Cross multiply
    11,215.74x = 15,477.51 × 6,180.42
  4. Step 4: Simplify right side
    11,215.74x = 95,657,593.57
  5. Step 5: Solve for x
    x = 95,657,593.57/11,215.74
  6. Step 6: Final answer
    x = 8,528.87

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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.