Home / 19,621.64-27,077.68-10,669.22

Finding the Fourth Proportional to 19,621.64, 27,077.68 and 10,669.22

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Solution

The fourth proportional to 19,621.64, 27,077.68 and 10,669.22 is: 14,723.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.64 : 27,077.68 = 10,669.22 : x
  2. Step 2: Convert to fraction form
    19,621.64/27,077.68 = 10,669.22/x
  3. Step 3: Cross multiply
    19,621.64x = 27,077.68 × 10,669.22
  4. Step 4: Simplify right side
    19,621.64x = 288,897,689.50
  5. Step 5: Solve for x
    x = 288,897,689.50/19,621.64
  6. Step 6: Final answer
    x = 14,723.42

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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.