Home / 10,401.35-14,353.88-5,685.66

Finding the Fourth Proportional to 10,401.35, 14,353.88 and 5,685.66

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Solution

The fourth proportional to 10,401.35, 14,353.88 and 5,685.66 is: 7,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.35 : 14,353.88 = 5,685.66 : x
  2. Step 2: Convert to fraction form
    10,401.35/14,353.88 = 5,685.66/x
  3. Step 3: Cross multiply
    10,401.35x = 14,353.88 × 5,685.66
  4. Step 4: Simplify right side
    10,401.35x = 81,611,252.93
  5. Step 5: Solve for x
    x = 81,611,252.93/10,401.35
  6. Step 6: Final answer
    x = 7,846.22

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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.