Home / 18,769.50-28,154.61-7,088.22

Finding the Fourth Proportional to 18,769.50, 28,154.61 and 7,088.22

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Solution

The fourth proportional to 18,769.50, 28,154.61 and 7,088.22 is: 10,632.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.50 : 28,154.61 = 7,088.22 : x
  2. Step 2: Convert to fraction form
    18,769.50/28,154.61 = 7,088.22/x
  3. Step 3: Cross multiply
    18,769.50x = 28,154.61 × 7,088.22
  4. Step 4: Simplify right side
    18,769.50x = 199,566,069.69
  5. Step 5: Solve for x
    x = 199,566,069.69/18,769.50
  6. Step 6: Final answer
    x = 10,632.47

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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.