Home / 10,743.07-14,832.67-8,220.68

Finding the Fourth Proportional to 10,743.07, 14,832.67 and 8,220.68

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Solution

The fourth proportional to 10,743.07, 14,832.67 and 8,220.68 is: 11,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,743.07 : 14,832.67 = 8,220.68 : x
  2. Step 2: Convert to fraction form
    10,743.07/14,832.67 = 8,220.68/x
  3. Step 3: Cross multiply
    10,743.07x = 14,832.67 × 8,220.68
  4. Step 4: Simplify right side
    10,743.07x = 121,934,633.62
  5. Step 5: Solve for x
    x = 121,934,633.62/10,743.07
  6. Step 6: Final answer
    x = 11,350.07

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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.