Home / 9,396.17-12,966.85-5,147.13

Finding the Fourth Proportional to 9,396.17, 12,966.85 and 5,147.13

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Solution

The fourth proportional to 9,396.17, 12,966.85 and 5,147.13 is: 7,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,396.17 : 12,966.85 = 5,147.13 : x
  2. Step 2: Convert to fraction form
    9,396.17/12,966.85 = 5,147.13/x
  3. Step 3: Cross multiply
    9,396.17x = 12,966.85 × 5,147.13
  4. Step 4: Simplify right side
    9,396.17x = 66,742,062.64
  5. Step 5: Solve for x
    x = 66,742,062.64/9,396.17
  6. Step 6: Final answer
    x = 7,103.11

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1.5x scale

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.