Home / 19,334.94-28,952.82-13,403.40

Finding the Fourth Proportional to 19,334.94, 28,952.82 and 13,403.40

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Solution

The fourth proportional to 19,334.94, 28,952.82 and 13,403.40 is: 20,070.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,334.94 : 28,952.82 = 13,403.40 : x
  2. Step 2: Convert to fraction form
    19,334.94/28,952.82 = 13,403.40/x
  3. Step 3: Cross multiply
    19,334.94x = 28,952.82 × 13,403.40
  4. Step 4: Simplify right side
    19,334.94x = 388,066,227.59
  5. Step 5: Solve for x
    x = 388,066,227.59/19,334.94
  6. Step 6: Final answer
    x = 20,070.72

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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.