Home / 16,895.40-25,306.65-13,979.40

Finding the Fourth Proportional to 16,895.40, 25,306.65 and 13,979.40

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Solution

The fourth proportional to 16,895.40, 25,306.65 and 13,979.40 is: 20,938.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.40 : 25,306.65 = 13,979.40 : x
  2. Step 2: Convert to fraction form
    16,895.40/25,306.65 = 13,979.40/x
  3. Step 3: Cross multiply
    16,895.40x = 25,306.65 × 13,979.40
  4. Step 4: Simplify right side
    16,895.40x = 353,771,783.01
  5. Step 5: Solve for x
    x = 353,771,783.01/16,895.40
  6. Step 6: Final answer
    x = 20,938.94

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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.