Home / 18,724.08-28,089-6,239.82

Finding the Fourth Proportional to 18,724.08, 28,089 and 6,239.82

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Solution

The fourth proportional to 18,724.08, 28,089 and 6,239.82 is: 9,360.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.08 : 28,089 = 6,239.82 : x
  2. Step 2: Convert to fraction form
    18,724.08/28,089 = 6,239.82/x
  3. Step 3: Cross multiply
    18,724.08x = 28,089 × 6,239.82
  4. Step 4: Simplify right side
    18,724.08x = 175,270,303.98
  5. Step 5: Solve for x
    x = 175,270,303.98/18,724.08
  6. Step 6: Final answer
    x = 9,360.69

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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.