Home / 11,132.16-15,362.88-6,164.16

Finding the Fourth Proportional to 11,132.16, 15,362.88 and 6,164.16

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Solution

The fourth proportional to 11,132.16, 15,362.88 and 6,164.16 is: 8,506.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.16 : 15,362.88 = 6,164.16 : x
  2. Step 2: Convert to fraction form
    11,132.16/15,362.88 = 6,164.16/x
  3. Step 3: Cross multiply
    11,132.16x = 15,362.88 × 6,164.16
  4. Step 4: Simplify right side
    11,132.16x = 94,699,250.38
  5. Step 5: Solve for x
    x = 94,699,250.38/11,132.16
  6. Step 6: Final answer
    x = 8,506.82

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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.