Home / 10,720.29-14,789.06-6,944.71

Finding the Fourth Proportional to 10,720.29, 14,789.06 and 6,944.71

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Solution

The fourth proportional to 10,720.29, 14,789.06 and 6,944.71 is: 9,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.29 : 14,789.06 = 6,944.71 : x
  2. Step 2: Convert to fraction form
    10,720.29/14,789.06 = 6,944.71/x
  3. Step 3: Cross multiply
    10,720.29x = 14,789.06 × 6,944.71
  4. Step 4: Simplify right side
    10,720.29x = 102,705,732.87
  5. Step 5: Solve for x
    x = 102,705,732.87/10,720.29
  6. Step 6: Final answer
    x = 9,580.50

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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.