Home / 14,356.15-21,513.49-9,909.25

Finding the Fourth Proportional to 14,356.15, 21,513.49 and 9,909.25

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Solution

The fourth proportional to 14,356.15, 21,513.49 and 9,909.25 is: 14,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.15 : 21,513.49 = 9,909.25 : x
  2. Step 2: Convert to fraction form
    14,356.15/21,513.49 = 9,909.25/x
  3. Step 3: Cross multiply
    14,356.15x = 21,513.49 × 9,909.25
  4. Step 4: Simplify right side
    14,356.15x = 213,182,550.78
  5. Step 5: Solve for x
    x = 213,182,550.78/14,356.15
  6. Step 6: Final answer
    x = 14,849.56

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1.5x scale

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.