Home / 9,449.23-13,039.61-5,199.90

Finding the Fourth Proportional to 9,449.23, 13,039.61 and 5,199.90

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Solution

The fourth proportional to 9,449.23, 13,039.61 and 5,199.90 is: 7,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,449.23 : 13,039.61 = 5,199.90 : x
  2. Step 2: Convert to fraction form
    9,449.23/13,039.61 = 5,199.90/x
  3. Step 3: Cross multiply
    9,449.23x = 13,039.61 × 5,199.90
  4. Step 4: Simplify right side
    9,449.23x = 67,804,607.77
  5. Step 5: Solve for x
    x = 67,804,607.77/9,449.23
  6. Step 6: Final answer
    x = 7,175.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.