Home / 10,678.38-14,743.44-6,910.71

Finding the Fourth Proportional to 10,678.38, 14,743.44 and 6,910.71

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Solution

The fourth proportional to 10,678.38, 14,743.44 and 6,910.71 is: 9,541.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.38 : 14,743.44 = 6,910.71 : x
  2. Step 2: Convert to fraction form
    10,678.38/14,743.44 = 6,910.71/x
  3. Step 3: Cross multiply
    10,678.38x = 14,743.44 × 6,910.71
  4. Step 4: Simplify right side
    10,678.38x = 101,887,638.24
  5. Step 5: Solve for x
    x = 101,887,638.24/10,678.38
  6. Step 6: Final answer
    x = 9,541.49

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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.