Home / 19,652.42-27,119.64-10,699.72

Finding the Fourth Proportional to 19,652.42, 27,119.64 and 10,699.72

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Solution

The fourth proportional to 19,652.42, 27,119.64 and 10,699.72 is: 14,765.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.42 : 27,119.64 = 10,699.72 : x
  2. Step 2: Convert to fraction form
    19,652.42/27,119.64 = 10,699.72/x
  3. Step 3: Cross multiply
    19,652.42x = 27,119.64 × 10,699.72
  4. Step 4: Simplify right side
    19,652.42x = 290,172,512.82
  5. Step 5: Solve for x
    x = 290,172,512.82/19,652.42
  6. Step 6: Final answer
    x = 14,765.23

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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.