Home / 13,334.52-20,013.90-7,099.74

Finding the Fourth Proportional to 13,334.52, 20,013.90 and 7,099.74

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Solution

The fourth proportional to 13,334.52, 20,013.90 and 7,099.74 is: 10,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.52 : 20,013.90 = 7,099.74 : x
  2. Step 2: Convert to fraction form
    13,334.52/20,013.90 = 7,099.74/x
  3. Step 3: Cross multiply
    13,334.52x = 20,013.90 × 7,099.74
  4. Step 4: Simplify right side
    13,334.52x = 142,093,486.39
  5. Step 5: Solve for x
    x = 142,093,486.39/13,334.52
  6. Step 6: Final answer
    x = 10,656.06

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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.