Home / 15,841.07-21,858.09-8,766.14

Finding the Fourth Proportional to 15,841.07, 21,858.09 and 8,766.14

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Solution

The fourth proportional to 15,841.07, 21,858.09 and 8,766.14 is: 12,095.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841.07 : 21,858.09 = 8,766.14 : x
  2. Step 2: Convert to fraction form
    15,841.07/21,858.09 = 8,766.14/x
  3. Step 3: Cross multiply
    15,841.07x = 21,858.09 × 8,766.14
  4. Step 4: Simplify right side
    15,841.07x = 191,611,077.07
  5. Step 5: Solve for x
    x = 191,611,077.07/15,841.07
  6. Step 6: Final answer
    x = 12,095.84

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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.