Home / 19,658.88-27,127.24-11,158.32

Finding the Fourth Proportional to 19,658.88, 27,127.24 and 11,158.32

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Solution

The fourth proportional to 19,658.88, 27,127.24 and 11,158.32 is: 15,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658.88 : 27,127.24 = 11,158.32 : x
  2. Step 2: Convert to fraction form
    19,658.88/27,127.24 = 11,158.32/x
  3. Step 3: Cross multiply
    19,658.88x = 27,127.24 × 11,158.32
  4. Step 4: Simplify right side
    19,658.88x = 302,694,424.64
  5. Step 5: Solve for x
    x = 302,694,424.64/19,658.88
  6. Step 6: Final answer
    x = 15,397.34

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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.