Home / 12,932.32-19,408.56-9,011.20

Finding the Fourth Proportional to 12,932.32, 19,408.56 and 9,011.20

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Solution

The fourth proportional to 12,932.32, 19,408.56 and 9,011.20 is: 13,523.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.32 : 19,408.56 = 9,011.20 : x
  2. Step 2: Convert to fraction form
    12,932.32/19,408.56 = 9,011.20/x
  3. Step 3: Cross multiply
    12,932.32x = 19,408.56 × 9,011.20
  4. Step 4: Simplify right side
    12,932.32x = 174,894,415.87
  5. Step 5: Solve for x
    x = 174,894,415.87/12,932.32
  6. Step 6: Final answer
    x = 13,523.82

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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.