Home / 19,615.98-27,069.36-11,230.86

Finding the Fourth Proportional to 19,615.98, 27,069.36 and 11,230.86

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Solution

The fourth proportional to 19,615.98, 27,069.36 and 11,230.86 is: 15,498.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.98 : 27,069.36 = 11,230.86 : x
  2. Step 2: Convert to fraction form
    19,615.98/27,069.36 = 11,230.86/x
  3. Step 3: Cross multiply
    19,615.98x = 27,069.36 × 11,230.86
  4. Step 4: Simplify right side
    19,615.98x = 304,012,192.45
  5. Step 5: Solve for x
    x = 304,012,192.45/19,615.98
  6. Step 6: Final answer
    x = 15,498.19

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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.