Home / 11,643.30-17,433.79-10,155.53

Finding the Fourth Proportional to 11,643.30, 17,433.79 and 10,155.53

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Solution

The fourth proportional to 11,643.30, 17,433.79 and 10,155.53 is: 15,206.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,643.30 : 17,433.79 = 10,155.53 : x
  2. Step 2: Convert to fraction form
    11,643.30/17,433.79 = 10,155.53/x
  3. Step 3: Cross multiply
    11,643.30x = 17,433.79 × 10,155.53
  4. Step 4: Simplify right side
    11,643.30x = 177,049,395.55
  5. Step 5: Solve for x
    x = 177,049,395.55/11,643.30
  6. Step 6: Final answer
    x = 15,206.12

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1.5x scale

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.