Home / 14,449.48-19,909.15-9,725.56

Finding the Fourth Proportional to 14,449.48, 19,909.15 and 9,725.56

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Solution

The fourth proportional to 14,449.48, 19,909.15 and 9,725.56 is: 13,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449.48 : 19,909.15 = 9,725.56 : x
  2. Step 2: Convert to fraction form
    14,449.48/19,909.15 = 9,725.56/x
  3. Step 3: Cross multiply
    14,449.48x = 19,909.15 × 9,725.56
  4. Step 4: Simplify right side
    14,449.48x = 193,627,632.87
  5. Step 5: Solve for x
    x = 193,627,632.87/14,449.48
  6. Step 6: Final answer
    x = 13,400.32

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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.