Home / 22,127.08-30,537.18-12,698.68

Finding the Fourth Proportional to 22,127.08, 30,537.18 and 12,698.68

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Solution

The fourth proportional to 22,127.08, 30,537.18 and 12,698.68 is: 17,525.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,127.08 : 30,537.18 = 12,698.68 : x
  2. Step 2: Convert to fraction form
    22,127.08/30,537.18 = 12,698.68/x
  3. Step 3: Cross multiply
    22,127.08x = 30,537.18 × 12,698.68
  4. Step 4: Simplify right side
    22,127.08x = 387,781,876.92
  5. Step 5: Solve for x
    x = 387,781,876.92/22,127.08
  6. Step 6: Final answer
    x = 17,525.22

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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.