Home / 19,840.24-27,377.56-11,459.44

Finding the Fourth Proportional to 19,840.24, 27,377.56 and 11,459.44

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Solution

The fourth proportional to 19,840.24, 27,377.56 and 11,459.44 is: 15,812.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.24 : 27,377.56 = 11,459.44 : x
  2. Step 2: Convert to fraction form
    19,840.24/27,377.56 = 11,459.44/x
  3. Step 3: Cross multiply
    19,840.24x = 27,377.56 × 11,459.44
  4. Step 4: Simplify right side
    19,840.24x = 313,731,506.17
  5. Step 5: Solve for x
    x = 313,731,506.17/19,840.24
  6. Step 6: Final answer
    x = 15,812.89

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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.