Home / 14,685.74-20,268.42-9,664.52

Finding the Fourth Proportional to 14,685.74, 20,268.42 and 9,664.52

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Solution

The fourth proportional to 14,685.74, 20,268.42 and 9,664.52 is: 13,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,685.74 : 20,268.42 = 9,664.52 : x
  2. Step 2: Convert to fraction form
    14,685.74/20,268.42 = 9,664.52/x
  3. Step 3: Cross multiply
    14,685.74x = 20,268.42 × 9,664.52
  4. Step 4: Simplify right side
    14,685.74x = 195,884,550.46
  5. Step 5: Solve for x
    x = 195,884,550.46/14,685.74
  6. Step 6: Final answer
    x = 13,338.42

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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.