Home / 9,147.59-13,723.41-2,909.51

Finding the Fourth Proportional to 9,147.59, 13,723.41 and 2,909.51

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Solution

The fourth proportional to 9,147.59, 13,723.41 and 2,909.51 is: 4,364.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.59 : 13,723.41 = 2,909.51 : x
  2. Step 2: Convert to fraction form
    9,147.59/13,723.41 = 2,909.51/x
  3. Step 3: Cross multiply
    9,147.59x = 13,723.41 × 2,909.51
  4. Step 4: Simplify right side
    9,147.59x = 39,928,398.63
  5. Step 5: Solve for x
    x = 39,928,398.63/9,147.59
  6. Step 6: Final answer
    x = 4,364.91

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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.