Home / 18,729.70-28,077.27-8,873.62

Finding the Fourth Proportional to 18,729.70, 28,077.27 and 8,873.62

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Solution

The fourth proportional to 18,729.70, 28,077.27 and 8,873.62 is: 13,302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.70 : 28,077.27 = 8,873.62 : x
  2. Step 2: Convert to fraction form
    18,729.70/28,077.27 = 8,873.62/x
  3. Step 3: Cross multiply
    18,729.70x = 28,077.27 × 8,873.62
  4. Step 4: Simplify right side
    18,729.70x = 249,147,024.62
  5. Step 5: Solve for x
    x = 249,147,024.62/18,729.70
  6. Step 6: Final answer
    x = 13,302.24

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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.