Home / 10,165.54-15,247.82-4,239.98

Finding the Fourth Proportional to 10,165.54, 15,247.82 and 4,239.98

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Solution

The fourth proportional to 10,165.54, 15,247.82 and 4,239.98 is: 6,359.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165.54 : 15,247.82 = 4,239.98 : x
  2. Step 2: Convert to fraction form
    10,165.54/15,247.82 = 4,239.98/x
  3. Step 3: Cross multiply
    10,165.54x = 15,247.82 × 4,239.98
  4. Step 4: Simplify right side
    10,165.54x = 64,650,451.84
  5. Step 5: Solve for x
    x = 64,650,451.84/10,165.54
  6. Step 6: Final answer
    x = 6,359.77

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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.