Home / 13,536.06-20,300.42-9,180.28

Finding the Fourth Proportional to 13,536.06, 20,300.42 and 9,180.28

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Solution

The fourth proportional to 13,536.06, 20,300.42 and 9,180.28 is: 13,767.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.06 : 20,300.42 = 9,180.28 : x
  2. Step 2: Convert to fraction form
    13,536.06/20,300.42 = 9,180.28/x
  3. Step 3: Cross multiply
    13,536.06x = 20,300.42 × 9,180.28
  4. Step 4: Simplify right side
    13,536.06x = 186,363,539.72
  5. Step 5: Solve for x
    x = 186,363,539.72/13,536.06
  6. Step 6: Final answer
    x = 13,767.93

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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.