Home / 18,280.59-27,420.96-5,630.19

Finding the Fourth Proportional to 18,280.59, 27,420.96 and 5,630.19

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Solution

The fourth proportional to 18,280.59, 27,420.96 and 5,630.19 is: 8,445.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.59 : 27,420.96 = 5,630.19 : x
  2. Step 2: Convert to fraction form
    18,280.59/27,420.96 = 5,630.19/x
  3. Step 3: Cross multiply
    18,280.59x = 27,420.96 × 5,630.19
  4. Step 4: Simplify right side
    18,280.59x = 154,385,287.31
  5. Step 5: Solve for x
    x = 154,385,287.31/18,280.59
  6. Step 6: Final answer
    x = 8,445.31

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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.