Home / 18,766.70-28,145.55-10,852.10

Finding the Fourth Proportional to 18,766.70, 28,145.55 and 10,852.10

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Solution

The fourth proportional to 18,766.70, 28,145.55 and 10,852.10 is: 16,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.70 : 28,145.55 = 10,852.10 : x
  2. Step 2: Convert to fraction form
    18,766.70/28,145.55 = 10,852.10/x
  3. Step 3: Cross multiply
    18,766.70x = 28,145.55 × 10,852.10
  4. Step 4: Simplify right side
    18,766.70x = 305,438,323.16
  5. Step 5: Solve for x
    x = 305,438,323.16/18,766.70
  6. Step 6: Final answer
    x = 16,275.55

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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.