Home / 10,396.78-15,592.87-2,999.63

Finding the Fourth Proportional to 10,396.78, 15,592.87 and 2,999.63

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Solution

The fourth proportional to 10,396.78, 15,592.87 and 2,999.63 is: 4,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.78 : 15,592.87 = 2,999.63 : x
  2. Step 2: Convert to fraction form
    10,396.78/15,592.87 = 2,999.63/x
  3. Step 3: Cross multiply
    10,396.78x = 15,592.87 × 2,999.63
  4. Step 4: Simplify right side
    10,396.78x = 46,772,840.64
  5. Step 5: Solve for x
    x = 46,772,840.64/10,396.78
  6. Step 6: Final answer
    x = 4,498.78

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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.