Home / 13,941.20-19,239-7,567.85

Finding the Fourth Proportional to 13,941.20, 19,239 and 7,567.85

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Solution

The fourth proportional to 13,941.20, 19,239 and 7,567.85 is: 10,443.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.20 : 19,239 = 7,567.85 : x
  2. Step 2: Convert to fraction form
    13,941.20/19,239 = 7,567.85/x
  3. Step 3: Cross multiply
    13,941.20x = 19,239 × 7,567.85
  4. Step 4: Simplify right side
    13,941.20x = 145,597,769.96
  5. Step 5: Solve for x
    x = 145,597,769.96/13,941.20
  6. Step 6: Final answer
    x = 10,443.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.