Home / 10,866.51-16,279.06-6,189.74

Finding the Fourth Proportional to 10,866.51, 16,279.06 and 6,189.74

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Solution

The fourth proportional to 10,866.51, 16,279.06 and 6,189.74 is: 9,272.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.51 : 16,279.06 = 6,189.74 : x
  2. Step 2: Convert to fraction form
    10,866.51/16,279.06 = 6,189.74/x
  3. Step 3: Cross multiply
    10,866.51x = 16,279.06 × 6,189.74
  4. Step 4: Simplify right side
    10,866.51x = 100,763,148.84
  5. Step 5: Solve for x
    x = 100,763,148.84/10,866.51
  6. Step 6: Final answer
    x = 9,272.82

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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.