Home / 23,081.46-31,851.39-13,009.86

Finding the Fourth Proportional to 23,081.46, 31,851.39 and 13,009.86

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Solution

The fourth proportional to 23,081.46, 31,851.39 and 13,009.86 is: 17,953.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,081.46 : 31,851.39 = 13,009.86 : x
  2. Step 2: Convert to fraction form
    23,081.46/31,851.39 = 13,009.86/x
  3. Step 3: Cross multiply
    23,081.46x = 31,851.39 × 13,009.86
  4. Step 4: Simplify right side
    23,081.46x = 414,382,124.71
  5. Step 5: Solve for x
    x = 414,382,124.71/23,081.46
  6. Step 6: Final answer
    x = 17,953.03

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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.