Home / 12,346.12-17,045.45-8,568.10

Finding the Fourth Proportional to 12,346.12, 17,045.45 and 8,568.10

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Solution

The fourth proportional to 12,346.12, 17,045.45 and 8,568.10 is: 11,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.12 : 17,045.45 = 8,568.10 : x
  2. Step 2: Convert to fraction form
    12,346.12/17,045.45 = 8,568.10/x
  3. Step 3: Cross multiply
    12,346.12x = 17,045.45 × 8,568.10
  4. Step 4: Simplify right side
    12,346.12x = 146,047,120.15
  5. Step 5: Solve for x
    x = 146,047,120.15/12,346.12
  6. Step 6: Final answer
    x = 11,829.39

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Double scale
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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.