Home / 22,452.51-30,983.86-12,380.77

Finding the Fourth Proportional to 22,452.51, 30,983.86 and 12,380.77

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Solution

The fourth proportional to 22,452.51, 30,983.86 and 12,380.77 is: 17,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,452.51 : 30,983.86 = 12,380.77 : x
  2. Step 2: Convert to fraction form
    22,452.51/30,983.86 = 12,380.77/x
  3. Step 3: Cross multiply
    22,452.51x = 30,983.86 × 12,380.77
  4. Step 4: Simplify right side
    22,452.51x = 383,604,063.76
  5. Step 5: Solve for x
    x = 383,604,063.76/22,452.51
  6. Step 6: Final answer
    x = 17,085.13

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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.