Home / 19,698.48-27,184.32-11,200.32

Finding the Fourth Proportional to 19,698.48, 27,184.32 and 11,200.32

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Solution

The fourth proportional to 19,698.48, 27,184.32 and 11,200.32 is: 15,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,698.48 : 27,184.32 = 11,200.32 : x
  2. Step 2: Convert to fraction form
    19,698.48/27,184.32 = 11,200.32/x
  3. Step 3: Cross multiply
    19,698.48x = 27,184.32 × 11,200.32
  4. Step 4: Simplify right side
    19,698.48x = 304,473,082.98
  5. Step 5: Solve for x
    x = 304,473,082.98/19,698.48
  6. Step 6: Final answer
    x = 15,456.68

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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.