Home / 11,509.61-17,260.49-4,489.07

Finding the Fourth Proportional to 11,509.61, 17,260.49 and 4,489.07

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Solution

The fourth proportional to 11,509.61, 17,260.49 and 4,489.07 is: 6,732.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,509.61 : 17,260.49 = 4,489.07 : x
  2. Step 2: Convert to fraction form
    11,509.61/17,260.49 = 4,489.07/x
  3. Step 3: Cross multiply
    11,509.61x = 17,260.49 × 4,489.07
  4. Step 4: Simplify right side
    11,509.61x = 77,483,472.76
  5. Step 5: Solve for x
    x = 77,483,472.76/11,509.61
  6. Step 6: Final answer
    x = 6,732.07

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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.