Home / 11,948.24-16,487.01-6,642

Finding the Fourth Proportional to 11,948.24, 16,487.01 and 6,642

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Solution

The fourth proportional to 11,948.24, 16,487.01 and 6,642 is: 9,165.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.24 : 16,487.01 = 6,642 : x
  2. Step 2: Convert to fraction form
    11,948.24/16,487.01 = 6,642/x
  3. Step 3: Cross multiply
    11,948.24x = 16,487.01 × 6,642
  4. Step 4: Simplify right side
    11,948.24x = 109,506,720.42
  5. Step 5: Solve for x
    x = 109,506,720.42/11,948.24
  6. Step 6: Final answer
    x = 9,165.09

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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.