Home / 18,858.06-28,287.15-6,374.76

Finding the Fourth Proportional to 18,858.06, 28,287.15 and 6,374.76

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Solution

The fourth proportional to 18,858.06, 28,287.15 and 6,374.76 is: 9,562.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,858.06 : 28,287.15 = 6,374.76 : x
  2. Step 2: Convert to fraction form
    18,858.06/28,287.15 = 6,374.76/x
  3. Step 3: Cross multiply
    18,858.06x = 28,287.15 × 6,374.76
  4. Step 4: Simplify right side
    18,858.06x = 180,323,792.33
  5. Step 5: Solve for x
    x = 180,323,792.33/18,858.06
  6. Step 6: Final answer
    x = 9,562.16

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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.