Home / 18,859.44-28,278.36-9,492.60

Finding the Fourth Proportional to 18,859.44, 28,278.36 and 9,492.60

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Solution

The fourth proportional to 18,859.44, 28,278.36 and 9,492.60 is: 14,233.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,859.44 : 28,278.36 = 9,492.60 : x
  2. Step 2: Convert to fraction form
    18,859.44/28,278.36 = 9,492.60/x
  3. Step 3: Cross multiply
    18,859.44x = 28,278.36 × 9,492.60
  4. Step 4: Simplify right side
    18,859.44x = 268,435,160.14
  5. Step 5: Solve for x
    x = 268,435,160.14/18,859.44
  6. Step 6: Final answer
    x = 14,233.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.