Home / 9,316.50-13,972.02-2,742.54

Finding the Fourth Proportional to 9,316.50, 13,972.02 and 2,742.54

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Solution

The fourth proportional to 9,316.50, 13,972.02 and 2,742.54 is: 4,113.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.50 : 13,972.02 = 2,742.54 : x
  2. Step 2: Convert to fraction form
    9,316.50/13,972.02 = 2,742.54/x
  3. Step 3: Cross multiply
    9,316.50x = 13,972.02 × 2,742.54
  4. Step 4: Simplify right side
    9,316.50x = 38,318,823.73
  5. Step 5: Solve for x
    x = 38,318,823.73/9,316.50
  6. Step 6: Final answer
    x = 4,113.01

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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.