Home / 10,492.54-15,738.26-3,918.20

Finding the Fourth Proportional to 10,492.54, 15,738.26 and 3,918.20

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Solution

The fourth proportional to 10,492.54, 15,738.26 and 3,918.20 is: 5,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,492.54 : 15,738.26 = 3,918.20 : x
  2. Step 2: Convert to fraction form
    10,492.54/15,738.26 = 3,918.20/x
  3. Step 3: Cross multiply
    10,492.54x = 15,738.26 × 3,918.20
  4. Step 4: Simplify right side
    10,492.54x = 61,665,630.74
  5. Step 5: Solve for x
    x = 61,665,630.74/10,492.54
  6. Step 6: Final answer
    x = 5,877.10

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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.