Home / 14,427.68-19,905.66-11,393.24

Finding the Fourth Proportional to 14,427.68, 19,905.66 and 11,393.24

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Solution

The fourth proportional to 14,427.68, 19,905.66 and 11,393.24 is: 15,719.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.68 : 19,905.66 = 11,393.24 : x
  2. Step 2: Convert to fraction form
    14,427.68/19,905.66 = 11,393.24/x
  3. Step 3: Cross multiply
    14,427.68x = 19,905.66 × 11,393.24
  4. Step 4: Simplify right side
    14,427.68x = 226,789,961.74
  5. Step 5: Solve for x
    x = 226,789,961.74/14,427.68
  6. Step 6: Final answer
    x = 15,719.09

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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.