Home / 19,647.96-27,114.28-10,695.60

Finding the Fourth Proportional to 19,647.96, 27,114.28 and 10,695.60

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Solution

The fourth proportional to 19,647.96, 27,114.28 and 10,695.60 is: 14,759.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.96 : 27,114.28 = 10,695.60 : x
  2. Step 2: Convert to fraction form
    19,647.96/27,114.28 = 10,695.60/x
  3. Step 3: Cross multiply
    19,647.96x = 27,114.28 × 10,695.60
  4. Step 4: Simplify right side
    19,647.96x = 290,003,493.17
  5. Step 5: Solve for x
    x = 290,003,493.17/19,647.96
  6. Step 6: Final answer
    x = 14,759.98

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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.