Home / 10,326.06-15,476.40-4,771.90

Finding the Fourth Proportional to 10,326.06, 15,476.40 and 4,771.90

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Solution

The fourth proportional to 10,326.06, 15,476.40 and 4,771.90 is: 7,151.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326.06 : 15,476.40 = 4,771.90 : x
  2. Step 2: Convert to fraction form
    10,326.06/15,476.40 = 4,771.90/x
  3. Step 3: Cross multiply
    10,326.06x = 15,476.40 × 4,771.90
  4. Step 4: Simplify right side
    10,326.06x = 73,851,833.16
  5. Step 5: Solve for x
    x = 73,851,833.16/10,326.06
  6. Step 6: Final answer
    x = 7,151.99

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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.