Home / 16,877.07-25,319.19-5,780.78

Finding the Fourth Proportional to 16,877.07, 25,319.19 and 5,780.78

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Solution

The fourth proportional to 16,877.07, 25,319.19 and 5,780.78 is: 8,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,877.07 : 25,319.19 = 5,780.78 : x
  2. Step 2: Convert to fraction form
    16,877.07/25,319.19 = 5,780.78/x
  3. Step 3: Cross multiply
    16,877.07x = 25,319.19 × 5,780.78
  4. Step 4: Simplify right side
    16,877.07x = 146,364,667.17
  5. Step 5: Solve for x
    x = 146,364,667.17/16,877.07
  6. Step 6: Final answer
    x = 8,672.40

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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.