Home / 13,869.57-20,798.82-8,030.28

Finding the Fourth Proportional to 13,869.57, 20,798.82 and 8,030.28

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Solution

The fourth proportional to 13,869.57, 20,798.82 and 8,030.28 is: 12,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869.57 : 20,798.82 = 8,030.28 : x
  2. Step 2: Convert to fraction form
    13,869.57/20,798.82 = 8,030.28/x
  3. Step 3: Cross multiply
    13,869.57x = 20,798.82 × 8,030.28
  4. Step 4: Simplify right side
    13,869.57x = 167,020,348.27
  5. Step 5: Solve for x
    x = 167,020,348.27/13,869.57
  6. Step 6: Final answer
    x = 12,042.22

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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.