Home / 17,280.71-23,850.95-11,238.51

Finding the Fourth Proportional to 17,280.71, 23,850.95 and 11,238.51

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Solution

The fourth proportional to 17,280.71, 23,850.95 and 11,238.51 is: 15,511.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280.71 : 23,850.95 = 11,238.51 : x
  2. Step 2: Convert to fraction form
    17,280.71/23,850.95 = 11,238.51/x
  3. Step 3: Cross multiply
    17,280.71x = 23,850.95 × 11,238.51
  4. Step 4: Simplify right side
    17,280.71x = 268,049,083.89
  5. Step 5: Solve for x
    x = 268,049,083.89/17,280.71
  6. Step 6: Final answer
    x = 15,511.47

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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.