Home / 9,445.56-14,168.40-2,871.72

Finding the Fourth Proportional to 9,445.56, 14,168.40 and 2,871.72

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Solution

The fourth proportional to 9,445.56, 14,168.40 and 2,871.72 is: 4,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,445.56 : 14,168.40 = 2,871.72 : x
  2. Step 2: Convert to fraction form
    9,445.56/14,168.40 = 2,871.72/x
  3. Step 3: Cross multiply
    9,445.56x = 14,168.40 × 2,871.72
  4. Step 4: Simplify right side
    9,445.56x = 40,687,677.65
  5. Step 5: Solve for x
    x = 40,687,677.65/9,445.56
  6. Step 6: Final answer
    x = 4,307.60

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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.