Home / 11,401.09-15,726.96-6,860.63

Finding the Fourth Proportional to 11,401.09, 15,726.96 and 6,860.63

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Solution

The fourth proportional to 11,401.09, 15,726.96 and 6,860.63 is: 9,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,401.09 : 15,726.96 = 6,860.63 : x
  2. Step 2: Convert to fraction form
    11,401.09/15,726.96 = 6,860.63/x
  3. Step 3: Cross multiply
    11,401.09x = 15,726.96 × 6,860.63
  4. Step 4: Simplify right side
    11,401.09x = 107,896,892.90
  5. Step 5: Solve for x
    x = 107,896,892.90/11,401.09
  6. Step 6: Final answer
    x = 9,463.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.