Home / 9,276.15-13,915.02-5,119.03

Finding the Fourth Proportional to 9,276.15, 13,915.02 and 5,119.03

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Solution

The fourth proportional to 9,276.15, 13,915.02 and 5,119.03 is: 7,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276.15 : 13,915.02 = 5,119.03 : x
  2. Step 2: Convert to fraction form
    9,276.15/13,915.02 = 5,119.03/x
  3. Step 3: Cross multiply
    9,276.15x = 13,915.02 × 5,119.03
  4. Step 4: Simplify right side
    9,276.15x = 71,231,441.42
  5. Step 5: Solve for x
    x = 71,231,441.42/9,276.15
  6. Step 6: Final answer
    x = 7,678.98

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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.