Home / 10,434.25-15,651.55-3,038.77

Finding the Fourth Proportional to 10,434.25, 15,651.55 and 3,038.77

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Solution

The fourth proportional to 10,434.25, 15,651.55 and 3,038.77 is: 4,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.25 : 15,651.55 = 3,038.77 : x
  2. Step 2: Convert to fraction form
    10,434.25/15,651.55 = 3,038.77/x
  3. Step 3: Cross multiply
    10,434.25x = 15,651.55 × 3,038.77
  4. Step 4: Simplify right side
    10,434.25x = 47,561,378.82
  5. Step 5: Solve for x
    x = 47,561,378.82/10,434.25
  6. Step 6: Final answer
    x = 4,558.20

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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.