Home / 13,941.98-19,235.24-8,909.15

Finding the Fourth Proportional to 13,941.98, 19,235.24 and 8,909.15

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Solution

The fourth proportional to 13,941.98, 19,235.24 and 8,909.15 is: 12,291.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.98 : 19,235.24 = 8,909.15 : x
  2. Step 2: Convert to fraction form
    13,941.98/19,235.24 = 8,909.15/x
  3. Step 3: Cross multiply
    13,941.98x = 19,235.24 × 8,909.15
  4. Step 4: Simplify right side
    13,941.98x = 171,369,531.13
  5. Step 5: Solve for x
    x = 171,369,531.13/13,941.98
  6. Step 6: Final answer
    x = 12,291.62

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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.