Home / 9,397.95-12,968.61-5,148.15

Finding the Fourth Proportional to 9,397.95, 12,968.61 and 5,148.15

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Solution

The fourth proportional to 9,397.95, 12,968.61 and 5,148.15 is: 7,104.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397.95 : 12,968.61 = 5,148.15 : x
  2. Step 2: Convert to fraction form
    9,397.95/12,968.61 = 5,148.15/x
  3. Step 3: Cross multiply
    9,397.95x = 12,968.61 × 5,148.15
  4. Step 4: Simplify right side
    9,397.95x = 66,764,349.57
  5. Step 5: Solve for x
    x = 66,764,349.57/9,397.95
  6. Step 6: Final answer
    x = 7,104.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.