Home / 18,894.23-28,344.56-7,794.84

Finding the Fourth Proportional to 18,894.23, 28,344.56 and 7,794.84

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Solution

The fourth proportional to 18,894.23, 28,344.56 and 7,794.84 is: 11,693.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894.23 : 28,344.56 = 7,794.84 : x
  2. Step 2: Convert to fraction form
    18,894.23/28,344.56 = 7,794.84/x
  3. Step 3: Cross multiply
    18,894.23x = 28,344.56 × 7,794.84
  4. Step 4: Simplify right side
    18,894.23x = 220,941,271.10
  5. Step 5: Solve for x
    x = 220,941,271.10/18,894.23
  6. Step 6: Final answer
    x = 11,693.59

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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.