Home / 17,372.60-26,069.82-9,991.46

Finding the Fourth Proportional to 17,372.60, 26,069.82 and 9,991.46

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Solution

The fourth proportional to 17,372.60, 26,069.82 and 9,991.46 is: 14,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,372.60 : 26,069.82 = 9,991.46 : x
  2. Step 2: Convert to fraction form
    17,372.60/26,069.82 = 9,991.46/x
  3. Step 3: Cross multiply
    17,372.60x = 26,069.82 × 9,991.46
  4. Step 4: Simplify right side
    17,372.60x = 260,475,563.74
  5. Step 5: Solve for x
    x = 260,475,563.74/17,372.60
  6. Step 6: Final answer
    x = 14,993.47

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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.