Home / 12,937.96-19,390.68-5,533.72

Finding the Fourth Proportional to 12,937.96, 19,390.68 and 5,533.72

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Solution

The fourth proportional to 12,937.96, 19,390.68 and 5,533.72 is: 8,293.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.96 : 19,390.68 = 5,533.72 : x
  2. Step 2: Convert to fraction form
    12,937.96/19,390.68 = 5,533.72/x
  3. Step 3: Cross multiply
    12,937.96x = 19,390.68 × 5,533.72
  4. Step 4: Simplify right side
    12,937.96x = 107,302,593.73
  5. Step 5: Solve for x
    x = 107,302,593.73/12,937.96
  6. Step 6: Final answer
    x = 8,293.63

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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.