Home / 16,877.70-25,316.55-13,159.80

Finding the Fourth Proportional to 16,877.70, 25,316.55 and 13,159.80

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Solution

The fourth proportional to 16,877.70, 25,316.55 and 13,159.80 is: 19,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,877.70 : 25,316.55 = 13,159.80 : x
  2. Step 2: Convert to fraction form
    16,877.70/25,316.55 = 13,159.80/x
  3. Step 3: Cross multiply
    16,877.70x = 25,316.55 × 13,159.80
  4. Step 4: Simplify right side
    16,877.70x = 333,160,734.69
  5. Step 5: Solve for x
    x = 333,160,734.69/16,877.70
  6. Step 6: Final answer
    x = 19,739.70

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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.