Home / 14,122.77-19,486.28-8,153.15

Finding the Fourth Proportional to 14,122.77, 19,486.28 and 8,153.15

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Solution

The fourth proportional to 14,122.77, 19,486.28 and 8,153.15 is: 11,249.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.77 : 19,486.28 = 8,153.15 : x
  2. Step 2: Convert to fraction form
    14,122.77/19,486.28 = 8,153.15/x
  3. Step 3: Cross multiply
    14,122.77x = 19,486.28 × 8,153.15
  4. Step 4: Simplify right side
    14,122.77x = 158,874,425.58
  5. Step 5: Solve for x
    x = 158,874,425.58/14,122.77
  6. Step 6: Final answer
    x = 11,249.52

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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.