Home / 11,295.42-15,588.78-6,261.28

Finding the Fourth Proportional to 11,295.42, 15,588.78 and 6,261.28

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Solution

The fourth proportional to 11,295.42, 15,588.78 and 6,261.28 is: 8,641.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.42 : 15,588.78 = 6,261.28 : x
  2. Step 2: Convert to fraction form
    11,295.42/15,588.78 = 6,261.28/x
  3. Step 3: Cross multiply
    11,295.42x = 15,588.78 × 6,261.28
  4. Step 4: Simplify right side
    11,295.42x = 97,605,716.44
  5. Step 5: Solve for x
    x = 97,605,716.44/11,295.42
  6. Step 6: Final answer
    x = 8,641.18

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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.