Home / 10,743.77-14,821.26-6,434.78

Finding the Fourth Proportional to 10,743.77, 14,821.26 and 6,434.78

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Solution

The fourth proportional to 10,743.77, 14,821.26 and 6,434.78 is: 8,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,743.77 : 14,821.26 = 6,434.78 : x
  2. Step 2: Convert to fraction form
    10,743.77/14,821.26 = 6,434.78/x
  3. Step 3: Cross multiply
    10,743.77x = 14,821.26 × 6,434.78
  4. Step 4: Simplify right side
    10,743.77x = 95,371,490.87
  5. Step 5: Solve for x
    x = 95,371,490.87/10,743.77
  6. Step 6: Final answer
    x = 8,876.91

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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.