Home / 19,656.64-27,126.75-11,273.14

Finding the Fourth Proportional to 19,656.64, 27,126.75 and 11,273.14

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Solution

The fourth proportional to 19,656.64, 27,126.75 and 11,273.14 is: 15,557.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.64 : 27,126.75 = 11,273.14 : x
  2. Step 2: Convert to fraction form
    19,656.64/27,126.75 = 11,273.14/x
  3. Step 3: Cross multiply
    19,656.64x = 27,126.75 × 11,273.14
  4. Step 4: Simplify right side
    19,656.64x = 305,803,650.50
  5. Step 5: Solve for x
    x = 305,803,650.50/19,656.64
  6. Step 6: Final answer
    x = 15,557.27

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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.