Home / 19,892.58-27,453.36-11,397.50

Finding the Fourth Proportional to 19,892.58, 27,453.36 and 11,397.50

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Solution

The fourth proportional to 19,892.58, 27,453.36 and 11,397.50 is: 15,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.58 : 27,453.36 = 11,397.50 : x
  2. Step 2: Convert to fraction form
    19,892.58/27,453.36 = 11,397.50/x
  3. Step 3: Cross multiply
    19,892.58x = 27,453.36 × 11,397.50
  4. Step 4: Simplify right side
    19,892.58x = 312,899,670.60
  5. Step 5: Solve for x
    x = 312,899,670.60/19,892.58
  6. Step 6: Final answer
    x = 15,729.47

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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.