Home / 10,431.26-15,615.44-6,726.11

Finding the Fourth Proportional to 10,431.26, 15,615.44 and 6,726.11

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Solution

The fourth proportional to 10,431.26, 15,615.44 and 6,726.11 is: 10,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.26 : 15,615.44 = 6,726.11 : x
  2. Step 2: Convert to fraction form
    10,431.26/15,615.44 = 6,726.11/x
  3. Step 3: Cross multiply
    10,431.26x = 15,615.44 × 6,726.11
  4. Step 4: Simplify right side
    10,431.26x = 105,031,167.14
  5. Step 5: Solve for x
    x = 105,031,167.14/10,431.26
  6. Step 6: Final answer
    x = 10,068.89

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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.