Home / 19,094.40-28,657.80-8,580.60

Finding the Fourth Proportional to 19,094.40, 28,657.80 and 8,580.60

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Solution

The fourth proportional to 19,094.40, 28,657.80 and 8,580.60 is: 12,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,094.40 : 28,657.80 = 8,580.60 : x
  2. Step 2: Convert to fraction form
    19,094.40/28,657.80 = 8,580.60/x
  3. Step 3: Cross multiply
    19,094.40x = 28,657.80 × 8,580.60
  4. Step 4: Simplify right side
    19,094.40x = 245,901,118.68
  5. Step 5: Solve for x
    x = 245,901,118.68/19,094.40
  6. Step 6: Final answer
    x = 12,878.18

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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.