Home / 13,298.69-19,937.45-6,631.54

Finding the Fourth Proportional to 13,298.69, 19,937.45 and 6,631.54

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Solution

The fourth proportional to 13,298.69, 19,937.45 and 6,631.54 is: 9,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.69 : 19,937.45 = 6,631.54 : x
  2. Step 2: Convert to fraction form
    13,298.69/19,937.45 = 6,631.54/x
  3. Step 3: Cross multiply
    13,298.69x = 19,937.45 × 6,631.54
  4. Step 4: Simplify right side
    13,298.69x = 132,215,963.91
  5. Step 5: Solve for x
    x = 132,215,963.91/13,298.69
  6. Step 6: Final answer
    x = 9,942.03

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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.