Home / 19,346.58-29,019.87-5,493.78

Finding the Fourth Proportional to 19,346.58, 29,019.87 and 5,493.78

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Solution

The fourth proportional to 19,346.58, 29,019.87 and 5,493.78 is: 8,240.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.58 : 29,019.87 = 5,493.78 : x
  2. Step 2: Convert to fraction form
    19,346.58/29,019.87 = 5,493.78/x
  3. Step 3: Cross multiply
    19,346.58x = 29,019.87 × 5,493.78
  4. Step 4: Simplify right side
    19,346.58x = 159,428,781.41
  5. Step 5: Solve for x
    x = 159,428,781.41/19,346.58
  6. Step 6: Final answer
    x = 8,240.67

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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.