Home / 18,815.19-28,226.03-5,666.46

Finding the Fourth Proportional to 18,815.19, 28,226.03 and 5,666.46

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Solution

The fourth proportional to 18,815.19, 28,226.03 and 5,666.46 is: 8,500.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815.19 : 28,226.03 = 5,666.46 : x
  2. Step 2: Convert to fraction form
    18,815.19/28,226.03 = 5,666.46/x
  3. Step 3: Cross multiply
    18,815.19x = 28,226.03 × 5,666.46
  4. Step 4: Simplify right side
    18,815.19x = 159,941,641.62
  5. Step 5: Solve for x
    x = 159,941,641.62/18,815.19
  6. Step 6: Final answer
    x = 8,500.67

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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.