Home / 10,422.69-15,633.96-2,631.51

Finding the Fourth Proportional to 10,422.69, 15,633.96 and 2,631.51

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Solution

The fourth proportional to 10,422.69, 15,633.96 and 2,631.51 is: 3,947.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.69 : 15,633.96 = 2,631.51 : x
  2. Step 2: Convert to fraction form
    10,422.69/15,633.96 = 2,631.51/x
  3. Step 3: Cross multiply
    10,422.69x = 15,633.96 × 2,631.51
  4. Step 4: Simplify right side
    10,422.69x = 41,140,922.08
  5. Step 5: Solve for x
    x = 41,140,922.08/10,422.69
  6. Step 6: Final answer
    x = 3,947.25

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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.