Home / 14,089.39-21,131.96-4,727.81

Finding the Fourth Proportional to 14,089.39, 21,131.96 and 4,727.81

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Solution

The fourth proportional to 14,089.39, 21,131.96 and 4,727.81 is: 7,091.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.39 : 21,131.96 = 4,727.81 : x
  2. Step 2: Convert to fraction form
    14,089.39/21,131.96 = 4,727.81/x
  3. Step 3: Cross multiply
    14,089.39x = 21,131.96 × 4,727.81
  4. Step 4: Simplify right side
    14,089.39x = 99,907,921.00
  5. Step 5: Solve for x
    x = 99,907,921.00/14,089.39
  6. Step 6: Final answer
    x = 7,091.01

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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.