Home / 15,384.25-21,227.97-9,011.44

Finding the Fourth Proportional to 15,384.25, 21,227.97 and 9,011.44

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Solution

The fourth proportional to 15,384.25, 21,227.97 and 9,011.44 is: 12,434.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,384.25 : 21,227.97 = 9,011.44 : x
  2. Step 2: Convert to fraction form
    15,384.25/21,227.97 = 9,011.44/x
  3. Step 3: Cross multiply
    15,384.25x = 21,227.97 × 9,011.44
  4. Step 4: Simplify right side
    15,384.25x = 191,294,577.98
  5. Step 5: Solve for x
    x = 191,294,577.98/15,384.25
  6. Step 6: Final answer
    x = 12,434.44

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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.