Home / 10,274.14-15,409.79-4,429.99

Finding the Fourth Proportional to 10,274.14, 15,409.79 and 4,429.99

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Solution

The fourth proportional to 10,274.14, 15,409.79 and 4,429.99 is: 6,644.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.14 : 15,409.79 = 4,429.99 : x
  2. Step 2: Convert to fraction form
    10,274.14/15,409.79 = 4,429.99/x
  3. Step 3: Cross multiply
    10,274.14x = 15,409.79 × 4,429.99
  4. Step 4: Simplify right side
    10,274.14x = 68,265,254.25
  5. Step 5: Solve for x
    x = 68,265,254.25/10,274.14
  6. Step 6: Final answer
    x = 6,644.38

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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.