Home / 15,383.70-21,226.65-9,009.96

Finding the Fourth Proportional to 15,383.70, 21,226.65 and 9,009.96

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Solution

The fourth proportional to 15,383.70, 21,226.65 and 9,009.96 is: 12,432.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383.70 : 21,226.65 = 9,009.96 : x
  2. Step 2: Convert to fraction form
    15,383.70/21,226.65 = 9,009.96/x
  3. Step 3: Cross multiply
    15,383.70x = 21,226.65 × 9,009.96
  4. Step 4: Simplify right side
    15,383.70x = 191,251,267.43
  5. Step 5: Solve for x
    x = 191,251,267.43/15,383.70
  6. Step 6: Final answer
    x = 12,432.07

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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.