Home / 10,505.16-15,759.36-3,110.76

Finding the Fourth Proportional to 10,505.16, 15,759.36 and 3,110.76

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Solution

The fourth proportional to 10,505.16, 15,759.36 and 3,110.76 is: 4,666.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.16 : 15,759.36 = 3,110.76 : x
  2. Step 2: Convert to fraction form
    10,505.16/15,759.36 = 3,110.76/x
  3. Step 3: Cross multiply
    10,505.16x = 15,759.36 × 3,110.76
  4. Step 4: Simplify right side
    10,505.16x = 49,023,586.71
  5. Step 5: Solve for x
    x = 49,023,586.71/10,505.16
  6. Step 6: Final answer
    x = 4,666.62

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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.