Home / 15,842.04-21,861.27-9,127.86

Finding the Fourth Proportional to 15,842.04, 21,861.27 and 9,127.86

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Solution

The fourth proportional to 15,842.04, 21,861.27 and 9,127.86 is: 12,596.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,842.04 : 21,861.27 = 9,127.86 : x
  2. Step 2: Convert to fraction form
    15,842.04/21,861.27 = 9,127.86/x
  3. Step 3: Cross multiply
    15,842.04x = 21,861.27 × 9,127.86
  4. Step 4: Simplify right side
    15,842.04x = 199,546,611.98
  5. Step 5: Solve for x
    x = 199,546,611.98/15,842.04
  6. Step 6: Final answer
    x = 12,596.02

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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.