Home / 22,459.28-30,993.44-12,388.55

Finding the Fourth Proportional to 22,459.28, 30,993.44 and 12,388.55

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Solution

The fourth proportional to 22,459.28, 30,993.44 and 12,388.55 is: 17,095.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,459.28 : 30,993.44 = 12,388.55 : x
  2. Step 2: Convert to fraction form
    22,459.28/30,993.44 = 12,388.55/x
  3. Step 3: Cross multiply
    22,459.28x = 30,993.44 × 12,388.55
  4. Step 4: Simplify right side
    22,459.28x = 383,963,564.20
  5. Step 5: Solve for x
    x = 383,963,564.20/22,459.28
  6. Step 6: Final answer
    x = 17,095.99

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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.