Home / 9,415.55-14,124.95-3,871.91

Finding the Fourth Proportional to 9,415.55, 14,124.95 and 3,871.91

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Solution

The fourth proportional to 9,415.55, 14,124.95 and 3,871.91 is: 5,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.55 : 14,124.95 = 3,871.91 : x
  2. Step 2: Convert to fraction form
    9,415.55/14,124.95 = 3,871.91/x
  3. Step 3: Cross multiply
    9,415.55x = 14,124.95 × 3,871.91
  4. Step 4: Simplify right side
    9,415.55x = 54,690,535.15
  5. Step 5: Solve for x
    x = 54,690,535.15/9,415.55
  6. Step 6: Final answer
    x = 5,808.53

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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.