Home / 14,440.80-21,682.80-10,077.60

Finding the Fourth Proportional to 14,440.80, 21,682.80 and 10,077.60

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Solution

The fourth proportional to 14,440.80, 21,682.80 and 10,077.60 is: 15,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.80 : 21,682.80 = 10,077.60 : x
  2. Step 2: Convert to fraction form
    14,440.80/21,682.80 = 10,077.60/x
  3. Step 3: Cross multiply
    14,440.80x = 21,682.80 × 10,077.60
  4. Step 4: Simplify right side
    14,440.80x = 218,510,585.28
  5. Step 5: Solve for x
    x = 218,510,585.28/14,440.80
  6. Step 6: Final answer
    x = 15,131.47

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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.