Home / 16,670.13-25,009.28-11,749.38

Finding the Fourth Proportional to 16,670.13, 25,009.28 and 11,749.38

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Solution

The fourth proportional to 16,670.13, 25,009.28 and 11,749.38 is: 17,626.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,670.13 : 25,009.28 = 11,749.38 : x
  2. Step 2: Convert to fraction form
    16,670.13/25,009.28 = 11,749.38/x
  3. Step 3: Cross multiply
    16,670.13x = 25,009.28 × 11,749.38
  4. Step 4: Simplify right side
    16,670.13x = 293,843,475.50
  5. Step 5: Solve for x
    x = 293,843,475.50/16,670.13
  6. Step 6: Final answer
    x = 17,626.95

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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.