Home / 11,267.91-15,539.85-7,285.14

Finding the Fourth Proportional to 11,267.91, 15,539.85 and 7,285.14

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Solution

The fourth proportional to 11,267.91, 15,539.85 and 7,285.14 is: 10,047.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,267.91 : 15,539.85 = 7,285.14 : x
  2. Step 2: Convert to fraction form
    11,267.91/15,539.85 = 7,285.14/x
  3. Step 3: Cross multiply
    11,267.91x = 15,539.85 × 7,285.14
  4. Step 4: Simplify right side
    11,267.91x = 113,209,982.83
  5. Step 5: Solve for x
    x = 113,209,982.83/11,267.91
  6. Step 6: Final answer
    x = 10,047.11

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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.