Home / 22,708.04-31,340.86-13,274.78

Finding the Fourth Proportional to 22,708.04, 31,340.86 and 13,274.78

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Solution

The fourth proportional to 22,708.04, 31,340.86 and 13,274.78 is: 18,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,708.04 : 31,340.86 = 13,274.78 : x
  2. Step 2: Convert to fraction form
    22,708.04/31,340.86 = 13,274.78/x
  3. Step 3: Cross multiply
    22,708.04x = 31,340.86 × 13,274.78
  4. Step 4: Simplify right side
    22,708.04x = 416,043,021.51
  5. Step 5: Solve for x
    x = 416,043,021.51/22,708.04
  6. Step 6: Final answer
    x = 18,321.40

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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.