Home / 16,805.07-23,189.09-9,730.17

Finding the Fourth Proportional to 16,805.07, 23,189.09 and 9,730.17

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Solution

The fourth proportional to 16,805.07, 23,189.09 and 9,730.17 is: 13,426.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.07 : 23,189.09 = 9,730.17 : x
  2. Step 2: Convert to fraction form
    16,805.07/23,189.09 = 9,730.17/x
  3. Step 3: Cross multiply
    16,805.07x = 23,189.09 × 9,730.17
  4. Step 4: Simplify right side
    16,805.07x = 225,633,739.19
  5. Step 5: Solve for x
    x = 225,633,739.19/16,805.07
  6. Step 6: Final answer
    x = 13,426.53

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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.