Home / 15,226.45-21,011.34-9,257.29

Finding the Fourth Proportional to 15,226.45, 21,011.34 and 9,257.29

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Solution

The fourth proportional to 15,226.45, 21,011.34 and 9,257.29 is: 12,774.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,226.45 : 21,011.34 = 9,257.29 : x
  2. Step 2: Convert to fraction form
    15,226.45/21,011.34 = 9,257.29/x
  3. Step 3: Cross multiply
    15,226.45x = 21,011.34 × 9,257.29
  4. Step 4: Simplify right side
    15,226.45x = 194,508,067.67
  5. Step 5: Solve for x
    x = 194,508,067.67/15,226.45
  6. Step 6: Final answer
    x = 12,774.35

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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.