Home / 18,840.40-28,263.04-5,694.08

Finding the Fourth Proportional to 18,840.40, 28,263.04 and 5,694.08

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Solution

The fourth proportional to 18,840.40, 28,263.04 and 5,694.08 is: 8,541.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840.40 : 28,263.04 = 5,694.08 : x
  2. Step 2: Convert to fraction form
    18,840.40/28,263.04 = 5,694.08/x
  3. Step 3: Cross multiply
    18,840.40x = 28,263.04 × 5,694.08
  4. Step 4: Simplify right side
    18,840.40x = 160,932,010.80
  5. Step 5: Solve for x
    x = 160,932,010.80/18,840.40
  6. Step 6: Final answer
    x = 8,541.86

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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.