Home / 11,228.53-15,494.88-6,445.17

Finding the Fourth Proportional to 11,228.53, 15,494.88 and 6,445.17

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Solution

The fourth proportional to 11,228.53, 15,494.88 and 6,445.17 is: 8,894.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.53 : 15,494.88 = 6,445.17 : x
  2. Step 2: Convert to fraction form
    11,228.53/15,494.88 = 6,445.17/x
  3. Step 3: Cross multiply
    11,228.53x = 15,494.88 × 6,445.17
  4. Step 4: Simplify right side
    11,228.53x = 99,867,135.73
  5. Step 5: Solve for x
    x = 99,867,135.73/11,228.53
  6. Step 6: Final answer
    x = 8,894.05

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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.