Home / 10,261.30-15,388.35-4,717.30

Finding the Fourth Proportional to 10,261.30, 15,388.35 and 4,717.30

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Solution

The fourth proportional to 10,261.30, 15,388.35 and 4,717.30 is: 7,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.30 : 15,388.35 = 4,717.30 : x
  2. Step 2: Convert to fraction form
    10,261.30/15,388.35 = 4,717.30/x
  3. Step 3: Cross multiply
    10,261.30x = 15,388.35 × 4,717.30
  4. Step 4: Simplify right side
    10,261.30x = 72,591,463.46
  5. Step 5: Solve for x
    x = 72,591,463.46/10,261.30
  6. Step 6: Final answer
    x = 7,074.30

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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.