Home / 23,147.78-31,943.95-13,076.24

Finding the Fourth Proportional to 23,147.78, 31,943.95 and 13,076.24

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Solution

The fourth proportional to 23,147.78, 31,943.95 and 13,076.24 is: 18,045.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,147.78 : 31,943.95 = 13,076.24 : x
  2. Step 2: Convert to fraction form
    23,147.78/31,943.95 = 13,076.24/x
  3. Step 3: Cross multiply
    23,147.78x = 31,943.95 × 13,076.24
  4. Step 4: Simplify right side
    23,147.78x = 417,706,564.34
  5. Step 5: Solve for x
    x = 417,706,564.34/23,147.78
  6. Step 6: Final answer
    x = 18,045.21

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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.