Home / 22,941-31,663.80-13,512.60

Finding the Fourth Proportional to 22,941, 31,663.80 and 13,512.60

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Solution

The fourth proportional to 22,941, 31,663.80 and 13,512.60 is: 18,650.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,941 : 31,663.80 = 13,512.60 : x
  2. Step 2: Convert to fraction form
    22,941/31,663.80 = 13,512.60/x
  3. Step 3: Cross multiply
    22,941x = 31,663.80 × 13,512.60
  4. Step 4: Simplify right side
    22,941x = 427,860,263.88
  5. Step 5: Solve for x
    x = 427,860,263.88/22,941
  6. Step 6: Final answer
    x = 18,650.46

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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.