Home / 22,283.13-30,750.72-12,851.70

Finding the Fourth Proportional to 22,283.13, 30,750.72 and 12,851.70

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Solution

The fourth proportional to 22,283.13, 30,750.72 and 12,851.70 is: 17,735.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,283.13 : 30,750.72 = 12,851.70 : x
  2. Step 2: Convert to fraction form
    22,283.13/30,750.72 = 12,851.70/x
  3. Step 3: Cross multiply
    22,283.13x = 30,750.72 × 12,851.70
  4. Step 4: Simplify right side
    22,283.13x = 395,199,028.22
  5. Step 5: Solve for x
    x = 395,199,028.22/22,283.13
  6. Step 6: Final answer
    x = 17,735.35

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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.