Home / 19,621.91-27,077.64-10,669.43

Finding the Fourth Proportional to 19,621.91, 27,077.64 and 10,669.43

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Solution

The fourth proportional to 19,621.91, 27,077.64 and 10,669.43 is: 14,723.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.91 : 27,077.64 = 10,669.43 : x
  2. Step 2: Convert to fraction form
    19,621.91/27,077.64 = 10,669.43/x
  3. Step 3: Cross multiply
    19,621.91x = 27,077.64 × 10,669.43
  4. Step 4: Simplify right side
    19,621.91x = 288,902,984.55
  5. Step 5: Solve for x
    x = 288,902,984.55/19,621.91
  6. Step 6: Final answer
    x = 14,723.49

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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.