Home / 18,837.32-28,259.88-6,188.04

Finding the Fourth Proportional to 18,837.32, 28,259.88 and 6,188.04

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Solution

The fourth proportional to 18,837.32, 28,259.88 and 6,188.04 is: 9,283.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.32 : 28,259.88 = 6,188.04 : x
  2. Step 2: Convert to fraction form
    18,837.32/28,259.88 = 6,188.04/x
  3. Step 3: Cross multiply
    18,837.32x = 28,259.88 × 6,188.04
  4. Step 4: Simplify right side
    18,837.32x = 174,873,095.60
  5. Step 5: Solve for x
    x = 174,873,095.60/18,837.32
  6. Step 6: Final answer
    x = 9,283.33

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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.