Home / 21,861.27-32,807.70-8,706.06

Finding the Fourth Proportional to 21,861.27, 32,807.70 and 8,706.06

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Solution

The fourth proportional to 21,861.27, 32,807.70 and 8,706.06 is: 13,065.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,861.27 : 32,807.70 = 8,706.06 : x
  2. Step 2: Convert to fraction form
    21,861.27/32,807.70 = 8,706.06/x
  3. Step 3: Cross multiply
    21,861.27x = 32,807.70 × 8,706.06
  4. Step 4: Simplify right side
    21,861.27x = 285,625,804.66
  5. Step 5: Solve for x
    x = 285,625,804.66/21,861.27
  6. Step 6: Final answer
    x = 13,065.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.