Home / 13,411.24-20,110.11-4,643.80

Finding the Fourth Proportional to 13,411.24, 20,110.11 and 4,643.80

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Solution

The fourth proportional to 13,411.24, 20,110.11 and 4,643.80 is: 6,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411.24 : 20,110.11 = 4,643.80 : x
  2. Step 2: Convert to fraction form
    13,411.24/20,110.11 = 4,643.80/x
  3. Step 3: Cross multiply
    13,411.24x = 20,110.11 × 4,643.80
  4. Step 4: Simplify right side
    13,411.24x = 93,387,328.82
  5. Step 5: Solve for x
    x = 93,387,328.82/13,411.24
  6. Step 6: Final answer
    x = 6,963.36

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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.