Home / 10,857.39-16,296.12-6,705.53

Finding the Fourth Proportional to 10,857.39, 16,296.12 and 6,705.53

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Solution

The fourth proportional to 10,857.39, 16,296.12 and 6,705.53 is: 10,064.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.39 : 16,296.12 = 6,705.53 : x
  2. Step 2: Convert to fraction form
    10,857.39/16,296.12 = 6,705.53/x
  3. Step 3: Cross multiply
    10,857.39x = 16,296.12 × 6,705.53
  4. Step 4: Simplify right side
    10,857.39x = 109,274,040.06
  5. Step 5: Solve for x
    x = 109,274,040.06/10,857.39
  6. Step 6: Final answer
    x = 10,064.49

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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.