Home / 11,156.53-15,397.31-6,377.25

Finding the Fourth Proportional to 11,156.53, 15,397.31 and 6,377.25

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Solution

The fourth proportional to 11,156.53, 15,397.31 and 6,377.25 is: 8,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.53 : 15,397.31 = 6,377.25 : x
  2. Step 2: Convert to fraction form
    11,156.53/15,397.31 = 6,377.25/x
  3. Step 3: Cross multiply
    11,156.53x = 15,397.31 × 6,377.25
  4. Step 4: Simplify right side
    11,156.53x = 98,192,495.20
  5. Step 5: Solve for x
    x = 98,192,495.20/11,156.53
  6. Step 6: Final answer
    x = 8,801.35

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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.