Home / 8,678.48-13,016.12-2,436.93

Finding the Fourth Proportional to 8,678.48, 13,016.12 and 2,436.93

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Solution

The fourth proportional to 8,678.48, 13,016.12 and 2,436.93 is: 3,654.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678.48 : 13,016.12 = 2,436.93 : x
  2. Step 2: Convert to fraction form
    8,678.48/13,016.12 = 2,436.93/x
  3. Step 3: Cross multiply
    8,678.48x = 13,016.12 × 2,436.93
  4. Step 4: Simplify right side
    8,678.48x = 31,719,361.13
  5. Step 5: Solve for x
    x = 31,719,361.13/8,678.48
  6. Step 6: Final answer
    x = 3,654.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.