Home / 19,180.35-28,733.67-11,763.18

Finding the Fourth Proportional to 19,180.35, 28,733.67 and 11,763.18

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Solution

The fourth proportional to 19,180.35, 28,733.67 and 11,763.18 is: 17,622.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180.35 : 28,733.67 = 11,763.18 : x
  2. Step 2: Convert to fraction form
    19,180.35/28,733.67 = 11,763.18/x
  3. Step 3: Cross multiply
    19,180.35x = 28,733.67 × 11,763.18
  4. Step 4: Simplify right side
    19,180.35x = 337,999,332.27
  5. Step 5: Solve for x
    x = 337,999,332.27/19,180.35
  6. Step 6: Final answer
    x = 17,622.17

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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.