Home / 22,436.40-30,962.44-12,365.20

Finding the Fourth Proportional to 22,436.40, 30,962.44 and 12,365.20

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Solution

The fourth proportional to 22,436.40, 30,962.44 and 12,365.20 is: 17,064.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,436.40 : 30,962.44 = 12,365.20 : x
  2. Step 2: Convert to fraction form
    22,436.40/30,962.44 = 12,365.20/x
  3. Step 3: Cross multiply
    22,436.40x = 30,962.44 × 12,365.20
  4. Step 4: Simplify right side
    22,436.40x = 382,856,763.09
  5. Step 5: Solve for x
    x = 382,856,763.09/22,436.40
  6. Step 6: Final answer
    x = 17,064.09

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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.