Home / 10,253.45-14,150.43-5,716.64

Finding the Fourth Proportional to 10,253.45, 14,150.43 and 5,716.64

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Solution

The fourth proportional to 10,253.45, 14,150.43 and 5,716.64 is: 7,889.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.45 : 14,150.43 = 5,716.64 : x
  2. Step 2: Convert to fraction form
    10,253.45/14,150.43 = 5,716.64/x
  3. Step 3: Cross multiply
    10,253.45x = 14,150.43 × 5,716.64
  4. Step 4: Simplify right side
    10,253.45x = 80,892,949.53
  5. Step 5: Solve for x
    x = 80,892,949.53/10,253.45
  6. Step 6: Final answer
    x = 7,889.34

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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.