Home / 10,290.50-15,433.41-2,895.68

Finding the Fourth Proportional to 10,290.50, 15,433.41 and 2,895.68

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Solution

The fourth proportional to 10,290.50, 15,433.41 and 2,895.68 is: 4,342.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.50 : 15,433.41 = 2,895.68 : x
  2. Step 2: Convert to fraction form
    10,290.50/15,433.41 = 2,895.68/x
  3. Step 3: Cross multiply
    10,290.50x = 15,433.41 × 2,895.68
  4. Step 4: Simplify right side
    10,290.50x = 44,690,216.67
  5. Step 5: Solve for x
    x = 44,690,216.67/10,290.50
  6. Step 6: Final answer
    x = 4,342.86

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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.