Home / 19,981.98-27,575.96-11,486.77

Finding the Fourth Proportional to 19,981.98, 27,575.96 and 11,486.77

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Solution

The fourth proportional to 19,981.98, 27,575.96 and 11,486.77 is: 15,852.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.98 : 27,575.96 = 11,486.77 : x
  2. Step 2: Convert to fraction form
    19,981.98/27,575.96 = 11,486.77/x
  3. Step 3: Cross multiply
    19,981.98x = 27,575.96 × 11,486.77
  4. Step 4: Simplify right side
    19,981.98x = 316,758,710.05
  5. Step 5: Solve for x
    x = 316,758,710.05/19,981.98
  6. Step 6: Final answer
    x = 15,852.22

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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.