Home / 10,227.49-15,331.51-6,519.31

Finding the Fourth Proportional to 10,227.49, 15,331.51 and 6,519.31

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Solution

The fourth proportional to 10,227.49, 15,331.51 and 6,519.31 is: 9,772.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,227.49 : 15,331.51 = 6,519.31 : x
  2. Step 2: Convert to fraction form
    10,227.49/15,331.51 = 6,519.31/x
  3. Step 3: Cross multiply
    10,227.49x = 15,331.51 × 6,519.31
  4. Step 4: Simplify right side
    10,227.49x = 99,950,866.46
  5. Step 5: Solve for x
    x = 99,950,866.46/10,227.49
  6. Step 6: Final answer
    x = 9,772.77

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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.