Home / 15,999.42-23,996.40-4,309.91

Finding the Fourth Proportional to 15,999.42, 23,996.40 and 4,309.91

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Solution

The fourth proportional to 15,999.42, 23,996.40 and 4,309.91 is: 6,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.42 : 23,996.40 = 4,309.91 : x
  2. Step 2: Convert to fraction form
    15,999.42/23,996.40 = 4,309.91/x
  3. Step 3: Cross multiply
    15,999.42x = 23,996.40 × 4,309.91
  4. Step 4: Simplify right side
    15,999.42x = 103,422,324.32
  5. Step 5: Solve for x
    x = 103,422,324.32/15,999.42
  6. Step 6: Final answer
    x = 6,464.13

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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.