Home / 10,541.96-15,815.64-3,970.04

Finding the Fourth Proportional to 10,541.96, 15,815.64 and 3,970.04

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Solution

The fourth proportional to 10,541.96, 15,815.64 and 3,970.04 is: 5,956.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,541.96 : 15,815.64 = 3,970.04 : x
  2. Step 2: Convert to fraction form
    10,541.96/15,815.64 = 3,970.04/x
  3. Step 3: Cross multiply
    10,541.96x = 15,815.64 × 3,970.04
  4. Step 4: Simplify right side
    10,541.96x = 62,788,723.43
  5. Step 5: Solve for x
    x = 62,788,723.43/10,541.96
  6. Step 6: Final answer
    x = 5,956.08

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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.