Home / 11,389.08-15,717.02-6,610

Finding the Fourth Proportional to 11,389.08, 15,717.02 and 6,610

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Solution

The fourth proportional to 11,389.08, 15,717.02 and 6,610 is: 9,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.08 : 15,717.02 = 6,610 : x
  2. Step 2: Convert to fraction form
    11,389.08/15,717.02 = 6,610/x
  3. Step 3: Cross multiply
    11,389.08x = 15,717.02 × 6,610
  4. Step 4: Simplify right side
    11,389.08x = 103,889,502.20
  5. Step 5: Solve for x
    x = 103,889,502.20/11,389.08
  6. Step 6: Final answer
    x = 9,121.85

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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.