Home / 10,448.58-15,672.63-2,657.40

Finding the Fourth Proportional to 10,448.58, 15,672.63 and 2,657.40

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Solution

The fourth proportional to 10,448.58, 15,672.63 and 2,657.40 is: 3,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.58 : 15,672.63 = 2,657.40 : x
  2. Step 2: Convert to fraction form
    10,448.58/15,672.63 = 2,657.40/x
  3. Step 3: Cross multiply
    10,448.58x = 15,672.63 × 2,657.40
  4. Step 4: Simplify right side
    10,448.58x = 41,648,446.96
  5. Step 5: Solve for x
    x = 41,648,446.96/10,448.58
  6. Step 6: Final answer
    x = 3,986.04

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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.