Home / 22,393.60-30,907.20-12,967.36

Finding the Fourth Proportional to 22,393.60, 30,907.20 and 12,967.36

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Solution

The fourth proportional to 22,393.60, 30,907.20 and 12,967.36 is: 17,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,393.60 : 30,907.20 = 12,967.36 : x
  2. Step 2: Convert to fraction form
    22,393.60/30,907.20 = 12,967.36/x
  3. Step 3: Cross multiply
    22,393.60x = 30,907.20 × 12,967.36
  4. Step 4: Simplify right side
    22,393.60x = 400,784,788.99
  5. Step 5: Solve for x
    x = 400,784,788.99/22,393.60
  6. Step 6: Final answer
    x = 17,897.29

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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.