Home / 18,989.02-28,483.60-5,841.30

Finding the Fourth Proportional to 18,989.02, 28,483.60 and 5,841.30

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Solution

The fourth proportional to 18,989.02, 28,483.60 and 5,841.30 is: 8,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,989.02 : 28,483.60 = 5,841.30 : x
  2. Step 2: Convert to fraction form
    18,989.02/28,483.60 = 5,841.30/x
  3. Step 3: Cross multiply
    18,989.02x = 28,483.60 × 5,841.30
  4. Step 4: Simplify right side
    18,989.02x = 166,381,252.68
  5. Step 5: Solve for x
    x = 166,381,252.68/18,989.02
  6. Step 6: Final answer
    x = 8,761.97

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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.