Home / 10,351.80-15,527.70-3,775.80

Finding the Fourth Proportional to 10,351.80, 15,527.70 and 3,775.80

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Solution

The fourth proportional to 10,351.80, 15,527.70 and 3,775.80 is: 5,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.80 : 15,527.70 = 3,775.80 : x
  2. Step 2: Convert to fraction form
    10,351.80/15,527.70 = 3,775.80/x
  3. Step 3: Cross multiply
    10,351.80x = 15,527.70 × 3,775.80
  4. Step 4: Simplify right side
    10,351.80x = 58,629,489.66
  5. Step 5: Solve for x
    x = 58,629,489.66/10,351.80
  6. Step 6: Final answer
    x = 5,663.70

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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.