Home / 13,341.27-19,989.99-4,571.40

Finding the Fourth Proportional to 13,341.27, 19,989.99 and 4,571.40

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Solution

The fourth proportional to 13,341.27, 19,989.99 and 4,571.40 is: 6,849.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.27 : 19,989.99 = 4,571.40 : x
  2. Step 2: Convert to fraction form
    13,341.27/19,989.99 = 4,571.40/x
  3. Step 3: Cross multiply
    13,341.27x = 19,989.99 × 4,571.40
  4. Step 4: Simplify right side
    13,341.27x = 91,382,240.29
  5. Step 5: Solve for x
    x = 91,382,240.29/13,341.27
  6. Step 6: Final answer
    x = 6,849.59

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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.