Home / 10,505.56-15,752.96-3,483.04

Finding the Fourth Proportional to 10,505.56, 15,752.96 and 3,483.04

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Solution

The fourth proportional to 10,505.56, 15,752.96 and 3,483.04 is: 5,222.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.56 : 15,752.96 = 3,483.04 : x
  2. Step 2: Convert to fraction form
    10,505.56/15,752.96 = 3,483.04/x
  3. Step 3: Cross multiply
    10,505.56x = 15,752.96 × 3,483.04
  4. Step 4: Simplify right side
    10,505.56x = 54,868,111.03
  5. Step 5: Solve for x
    x = 54,868,111.03/10,505.56
  6. Step 6: Final answer
    x = 5,222.77

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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.