Home / 8,724.00-12,039.03-5,187.14

Finding the Fourth Proportional to 8,724.00, 12,039.03 and 5,187.14

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Solution

The fourth proportional to 8,724.00, 12,039.03 and 5,187.14 is: 7,158.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.00 : 12,039.03 = 5,187.14 : x
  2. Step 2: Convert to fraction form
    8,724.00/12,039.03 = 5,187.14/x
  3. Step 3: Cross multiply
    8,724.00x = 12,039.03 × 5,187.14
  4. Step 4: Simplify right side
    8,724.00x = 62,448,119.03
  5. Step 5: Solve for x
    x = 62,448,119.03/8,724.00
  6. Step 6: Final answer
    x = 7,158.19

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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.