Home / 19,631.12-27,084.48-12,069.68

Finding the Fourth Proportional to 19,631.12, 27,084.48 and 12,069.68

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Solution

The fourth proportional to 19,631.12, 27,084.48 and 12,069.68 is: 16,652.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.12 : 27,084.48 = 12,069.68 : x
  2. Step 2: Convert to fraction form
    19,631.12/27,084.48 = 12,069.68/x
  3. Step 3: Cross multiply
    19,631.12x = 27,084.48 × 12,069.68
  4. Step 4: Simplify right side
    19,631.12x = 326,901,006.57
  5. Step 5: Solve for x
    x = 326,901,006.57/19,631.12
  6. Step 6: Final answer
    x = 16,652.18

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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.