Home / 15,805.44-23,685.60-8,403.36

Finding the Fourth Proportional to 15,805.44, 23,685.60 and 8,403.36

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Solution

The fourth proportional to 15,805.44, 23,685.60 and 8,403.36 is: 12,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,805.44 : 23,685.60 = 8,403.36 : x
  2. Step 2: Convert to fraction form
    15,805.44/23,685.60 = 8,403.36/x
  3. Step 3: Cross multiply
    15,805.44x = 23,685.60 × 8,403.36
  4. Step 4: Simplify right side
    15,805.44x = 199,038,623.62
  5. Step 5: Solve for x
    x = 199,038,623.62/15,805.44
  6. Step 6: Final answer
    x = 12,593.05

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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.