Home / 14,764.75-20,370.78-9,727.18

Finding the Fourth Proportional to 14,764.75, 20,370.78 and 9,727.18

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Solution

The fourth proportional to 14,764.75, 20,370.78 and 9,727.18 is: 13,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,764.75 : 20,370.78 = 9,727.18 : x
  2. Step 2: Convert to fraction form
    14,764.75/20,370.78 = 9,727.18/x
  3. Step 3: Cross multiply
    14,764.75x = 20,370.78 × 9,727.18
  4. Step 4: Simplify right side
    14,764.75x = 198,150,192.87
  5. Step 5: Solve for x
    x = 198,150,192.87/14,764.75
  6. Step 6: Final answer
    x = 13,420.49

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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.