Home / 15,841.04-21,860.55-8,767.44

Finding the Fourth Proportional to 15,841.04, 21,860.55 and 8,767.44

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Solution

The fourth proportional to 15,841.04, 21,860.55 and 8,767.44 is: 12,099.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841.04 : 21,860.55 = 8,767.44 : x
  2. Step 2: Convert to fraction form
    15,841.04/21,860.55 = 8,767.44/x
  3. Step 3: Cross multiply
    15,841.04x = 21,860.55 × 8,767.44
  4. Step 4: Simplify right side
    15,841.04x = 191,661,060.49
  5. Step 5: Solve for x
    x = 191,661,060.49/15,841.04
  6. Step 6: Final answer
    x = 12,099.02

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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.