Home / 17,070.87-25,595.60-5,220.71

Finding the Fourth Proportional to 17,070.87, 25,595.60 and 5,220.71

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Solution

The fourth proportional to 17,070.87, 25,595.60 and 5,220.71 is: 7,827.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,070.87 : 25,595.60 = 5,220.71 : x
  2. Step 2: Convert to fraction form
    17,070.87/25,595.60 = 5,220.71/x
  3. Step 3: Cross multiply
    17,070.87x = 25,595.60 × 5,220.71
  4. Step 4: Simplify right side
    17,070.87x = 133,627,050.79
  5. Step 5: Solve for x
    x = 133,627,050.79/17,070.87
  6. Step 6: Final answer
    x = 7,827.78

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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.