Home / 23,147.65-31,943.76-13,076.11

Finding the Fourth Proportional to 23,147.65, 31,943.76 and 13,076.11

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Solution

The fourth proportional to 23,147.65, 31,943.76 and 13,076.11 is: 18,045.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,147.65 : 31,943.76 = 13,076.11 : x
  2. Step 2: Convert to fraction form
    23,147.65/31,943.76 = 13,076.11/x
  3. Step 3: Cross multiply
    23,147.65x = 31,943.76 × 13,076.11
  4. Step 4: Simplify right side
    23,147.65x = 417,700,119.57
  5. Step 5: Solve for x
    x = 417,700,119.57/23,147.65
  6. Step 6: Final answer
    x = 18,045.03

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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.