Home / 10,286.28-15,420.18-3,710.93

Finding the Fourth Proportional to 10,286.28, 15,420.18 and 3,710.93

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Solution

The fourth proportional to 10,286.28, 15,420.18 and 3,710.93 is: 5,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.28 : 15,420.18 = 3,710.93 : x
  2. Step 2: Convert to fraction form
    10,286.28/15,420.18 = 3,710.93/x
  3. Step 3: Cross multiply
    10,286.28x = 15,420.18 × 3,710.93
  4. Step 4: Simplify right side
    10,286.28x = 57,223,131.47
  5. Step 5: Solve for x
    x = 57,223,131.47/10,286.28
  6. Step 6: Final answer
    x = 5,563.05

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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.