Home / 22,311.15-30,790.95-12,752.45

Finding the Fourth Proportional to 22,311.15, 30,790.95 and 12,752.45

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Solution

The fourth proportional to 22,311.15, 30,790.95 and 12,752.45 is: 17,599.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,311.15 : 30,790.95 = 12,752.45 : x
  2. Step 2: Convert to fraction form
    22,311.15/30,790.95 = 12,752.45/x
  3. Step 3: Cross multiply
    22,311.15x = 30,790.95 × 12,752.45
  4. Step 4: Simplify right side
    22,311.15x = 392,660,050.33
  5. Step 5: Solve for x
    x = 392,660,050.33/22,311.15
  6. Step 6: Final answer
    x = 17,599.27

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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.