Home / 22,556.67-31,127.58-12,484.86

Finding the Fourth Proportional to 22,556.67, 31,127.58 and 12,484.86

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Solution

The fourth proportional to 22,556.67, 31,127.58 and 12,484.86 is: 17,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,556.67 : 31,127.58 = 12,484.86 : x
  2. Step 2: Convert to fraction form
    22,556.67/31,127.58 = 12,484.86/x
  3. Step 3: Cross multiply
    22,556.67x = 31,127.58 × 12,484.86
  4. Step 4: Simplify right side
    22,556.67x = 388,623,478.44
  5. Step 5: Solve for x
    x = 388,623,478.44/22,556.67
  6. Step 6: Final answer
    x = 17,228.76

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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.