Home / 13,333.50-20,012.38-7,098.74

Finding the Fourth Proportional to 13,333.50, 20,012.38 and 7,098.74

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Solution

The fourth proportional to 13,333.50, 20,012.38 and 7,098.74 is: 10,654.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.50 : 20,012.38 = 7,098.74 : x
  2. Step 2: Convert to fraction form
    13,333.50/20,012.38 = 7,098.74/x
  3. Step 3: Cross multiply
    13,333.50x = 20,012.38 × 7,098.74
  4. Step 4: Simplify right side
    13,333.50x = 142,062,682.40
  5. Step 5: Solve for x
    x = 142,062,682.40/13,333.50
  6. Step 6: Final answer
    x = 10,654.57

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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.