Home / 19,910.76-29,846.56-9,520.08

Finding the Fourth Proportional to 19,910.76, 29,846.56 and 9,520.08

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Solution

The fourth proportional to 19,910.76, 29,846.56 and 9,520.08 is: 14,270.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.76 : 29,846.56 = 9,520.08 : x
  2. Step 2: Convert to fraction form
    19,910.76/29,846.56 = 9,520.08/x
  3. Step 3: Cross multiply
    19,910.76x = 29,846.56 × 9,520.08
  4. Step 4: Simplify right side
    19,910.76x = 284,141,638.92
  5. Step 5: Solve for x
    x = 284,141,638.92/19,910.76
  6. Step 6: Final answer
    x = 14,270.76

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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.