Home / 15,820.41-23,723.73-8,423.22

Finding the Fourth Proportional to 15,820.41, 23,723.73 and 8,423.22

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Solution

The fourth proportional to 15,820.41, 23,723.73 and 8,423.22 is: 12,631.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820.41 : 23,723.73 = 8,423.22 : x
  2. Step 2: Convert to fraction form
    15,820.41/23,723.73 = 8,423.22/x
  3. Step 3: Cross multiply
    15,820.41x = 23,723.73 × 8,423.22
  4. Step 4: Simplify right side
    15,820.41x = 199,830,197.01
  5. Step 5: Solve for x
    x = 199,830,197.01/15,820.41
  6. Step 6: Final answer
    x = 12,631.16

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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.