Home / 10,681.78-14,738.34-6,202.88

Finding the Fourth Proportional to 10,681.78, 14,738.34 and 6,202.88

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Solution

The fourth proportional to 10,681.78, 14,738.34 and 6,202.88 is: 8,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.78 : 14,738.34 = 6,202.88 : x
  2. Step 2: Convert to fraction form
    10,681.78/14,738.34 = 6,202.88/x
  3. Step 3: Cross multiply
    10,681.78x = 14,738.34 × 6,202.88
  4. Step 4: Simplify right side
    10,681.78x = 91,420,154.42
  5. Step 5: Solve for x
    x = 91,420,154.42/10,681.78
  6. Step 6: Final answer
    x = 8,558.51

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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.