Home / 13,155.66-19,731.38-4,833.63

Finding the Fourth Proportional to 13,155.66, 19,731.38 and 4,833.63

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Solution

The fourth proportional to 13,155.66, 19,731.38 and 4,833.63 is: 7,249.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155.66 : 19,731.38 = 4,833.63 : x
  2. Step 2: Convert to fraction form
    13,155.66/19,731.38 = 4,833.63/x
  3. Step 3: Cross multiply
    13,155.66x = 19,731.38 × 4,833.63
  4. Step 4: Simplify right side
    13,155.66x = 95,374,166.14
  5. Step 5: Solve for x
    x = 95,374,166.14/13,155.66
  6. Step 6: Final answer
    x = 7,249.67

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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.