Home / 10,353.15-15,527.30-3,775.75

Finding the Fourth Proportional to 10,353.15, 15,527.30 and 3,775.75

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Solution

The fourth proportional to 10,353.15, 15,527.30 and 3,775.75 is: 5,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.15 : 15,527.30 = 3,775.75 : x
  2. Step 2: Convert to fraction form
    10,353.15/15,527.30 = 3,775.75/x
  3. Step 3: Cross multiply
    10,353.15x = 15,527.30 × 3,775.75
  4. Step 4: Simplify right side
    10,353.15x = 58,627,145.28
  5. Step 5: Solve for x
    x = 58,627,145.28/10,353.15
  6. Step 6: Final answer
    x = 5,662.74

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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.