Home / 17,621.90-24,317.79-9,555.11

Finding the Fourth Proportional to 17,621.90, 24,317.79 and 9,555.11

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Solution

The fourth proportional to 17,621.90, 24,317.79 and 9,555.11 is: 13,185.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.90 : 24,317.79 = 9,555.11 : x
  2. Step 2: Convert to fraction form
    17,621.90/24,317.79 = 9,555.11/x
  3. Step 3: Cross multiply
    17,621.90x = 24,317.79 × 9,555.11
  4. Step 4: Simplify right side
    17,621.90x = 232,359,309.59
  5. Step 5: Solve for x
    x = 232,359,309.59/17,621.90
  6. Step 6: Final answer
    x = 13,185.82

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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.