Home / 23,211.36-32,031.18-12,600.90

Finding the Fourth Proportional to 23,211.36, 32,031.18 and 12,600.90

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Solution

The fourth proportional to 23,211.36, 32,031.18 and 12,600.90 is: 17,388.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,211.36 : 32,031.18 = 12,600.90 : x
  2. Step 2: Convert to fraction form
    23,211.36/32,031.18 = 12,600.90/x
  3. Step 3: Cross multiply
    23,211.36x = 32,031.18 × 12,600.90
  4. Step 4: Simplify right side
    23,211.36x = 403,621,696.06
  5. Step 5: Solve for x
    x = 403,621,696.06/23,211.36
  6. Step 6: Final answer
    x = 17,388.97

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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.