Home / 12,964.05-17,890.82-7,298.35

Finding the Fourth Proportional to 12,964.05, 17,890.82 and 7,298.35

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Solution

The fourth proportional to 12,964.05, 17,890.82 and 7,298.35 is: 10,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964.05 : 17,890.82 = 7,298.35 : x
  2. Step 2: Convert to fraction form
    12,964.05/17,890.82 = 7,298.35/x
  3. Step 3: Cross multiply
    12,964.05x = 17,890.82 × 7,298.35
  4. Step 4: Simplify right side
    12,964.05x = 130,573,553.99
  5. Step 5: Solve for x
    x = 130,573,553.99/12,964.05
  6. Step 6: Final answer
    x = 10,071.97

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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.