Home / 17,831.80-26,747.70-13,166.20

Finding the Fourth Proportional to 17,831.80, 26,747.70 and 13,166.20

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Solution

The fourth proportional to 17,831.80, 26,747.70 and 13,166.20 is: 19,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,831.80 : 26,747.70 = 13,166.20 : x
  2. Step 2: Convert to fraction form
    17,831.80/26,747.70 = 13,166.20/x
  3. Step 3: Cross multiply
    17,831.80x = 26,747.70 × 13,166.20
  4. Step 4: Simplify right side
    17,831.80x = 352,165,567.74
  5. Step 5: Solve for x
    x = 352,165,567.74/17,831.80
  6. Step 6: Final answer
    x = 19,749.30

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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.