Home / 10,401.44-14,353.80-5,685.68

Finding the Fourth Proportional to 10,401.44, 14,353.80 and 5,685.68

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Solution

The fourth proportional to 10,401.44, 14,353.80 and 5,685.68 is: 7,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.44 : 14,353.80 = 5,685.68 : x
  2. Step 2: Convert to fraction form
    10,401.44/14,353.80 = 5,685.68/x
  3. Step 3: Cross multiply
    10,401.44x = 14,353.80 × 5,685.68
  4. Step 4: Simplify right side
    10,401.44x = 81,611,113.58
  5. Step 5: Solve for x
    x = 81,611,113.58/10,401.44
  6. Step 6: Final answer
    x = 7,846.14

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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.