Home / 11,593.63-15,999.15-6,288.54

Finding the Fourth Proportional to 11,593.63, 15,999.15 and 6,288.54

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Solution

The fourth proportional to 11,593.63, 15,999.15 and 6,288.54 is: 8,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,593.63 : 15,999.15 = 6,288.54 : x
  2. Step 2: Convert to fraction form
    11,593.63/15,999.15 = 6,288.54/x
  3. Step 3: Cross multiply
    11,593.63x = 15,999.15 × 6,288.54
  4. Step 4: Simplify right side
    11,593.63x = 100,611,294.74
  5. Step 5: Solve for x
    x = 100,611,294.74/11,593.63
  6. Step 6: Final answer
    x = 8,678.15

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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.