Home / 14,286.19-19,712.60-8,977.25

Finding the Fourth Proportional to 14,286.19, 19,712.60 and 8,977.25

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Solution

The fourth proportional to 14,286.19, 19,712.60 and 8,977.25 is: 12,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.19 : 19,712.60 = 8,977.25 : x
  2. Step 2: Convert to fraction form
    14,286.19/19,712.60 = 8,977.25/x
  3. Step 3: Cross multiply
    14,286.19x = 19,712.60 × 8,977.25
  4. Step 4: Simplify right side
    14,286.19x = 176,964,938.35
  5. Step 5: Solve for x
    x = 176,964,938.35/14,286.19
  6. Step 6: Final answer
    x = 12,387.13

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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.