Home / 13,292.91-18,343.55-7,323.61

Finding the Fourth Proportional to 13,292.91, 18,343.55 and 7,323.61

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Solution

The fourth proportional to 13,292.91, 18,343.55 and 7,323.61 is: 10,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.91 : 18,343.55 = 7,323.61 : x
  2. Step 2: Convert to fraction form
    13,292.91/18,343.55 = 7,323.61/x
  3. Step 3: Cross multiply
    13,292.91x = 18,343.55 × 7,323.61
  4. Step 4: Simplify right side
    13,292.91x = 134,340,969.60
  5. Step 5: Solve for x
    x = 134,340,969.60/13,292.91
  6. Step 6: Final answer
    x = 10,106.22

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.