Home / 10,289.49-15,434.10-2,893.56

Finding the Fourth Proportional to 10,289.49, 15,434.10 and 2,893.56

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Solution

The fourth proportional to 10,289.49, 15,434.10 and 2,893.56 is: 4,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.49 : 15,434.10 = 2,893.56 : x
  2. Step 2: Convert to fraction form
    10,289.49/15,434.10 = 2,893.56/x
  3. Step 3: Cross multiply
    10,289.49x = 15,434.10 × 2,893.56
  4. Step 4: Simplify right side
    10,289.49x = 44,659,494.40
  5. Step 5: Solve for x
    x = 44,659,494.40/10,289.49
  6. Step 6: Final answer
    x = 4,340.30

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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.