Home / 17,385.06-23,991.26-9,831.65

Finding the Fourth Proportional to 17,385.06, 23,991.26 and 9,831.65

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Solution

The fourth proportional to 17,385.06, 23,991.26 and 9,831.65 is: 13,567.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,385.06 : 23,991.26 = 9,831.65 : x
  2. Step 2: Convert to fraction form
    17,385.06/23,991.26 = 9,831.65/x
  3. Step 3: Cross multiply
    17,385.06x = 23,991.26 × 9,831.65
  4. Step 4: Simplify right side
    17,385.06x = 235,873,502.26
  5. Step 5: Solve for x
    x = 235,873,502.26/17,385.06
  6. Step 6: Final answer
    x = 13,567.59

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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.