Home / 13,163.04-19,733.22-5,377.32

Finding the Fourth Proportional to 13,163.04, 19,733.22 and 5,377.32

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Solution

The fourth proportional to 13,163.04, 19,733.22 and 5,377.32 is: 8,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163.04 : 19,733.22 = 5,377.32 : x
  2. Step 2: Convert to fraction form
    13,163.04/19,733.22 = 5,377.32/x
  3. Step 3: Cross multiply
    13,163.04x = 19,733.22 × 5,377.32
  4. Step 4: Simplify right side
    13,163.04x = 106,111,838.57
  5. Step 5: Solve for x
    x = 106,111,838.57/13,163.04
  6. Step 6: Final answer
    x = 8,061.35

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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.