Home / 9,994.24-15,003.78-6,472.72

Finding the Fourth Proportional to 9,994.24, 15,003.78 and 6,472.72

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Solution

The fourth proportional to 9,994.24, 15,003.78 and 6,472.72 is: 9,717.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.24 : 15,003.78 = 6,472.72 : x
  2. Step 2: Convert to fraction form
    9,994.24/15,003.78 = 6,472.72/x
  3. Step 3: Cross multiply
    9,994.24x = 15,003.78 × 6,472.72
  4. Step 4: Simplify right side
    9,994.24x = 97,115,266.88
  5. Step 5: Solve for x
    x = 97,115,266.88/9,994.24
  6. Step 6: Final answer
    x = 9,717.12

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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.