Home / 22,122.61-30,529.98-12,050.57

Finding the Fourth Proportional to 22,122.61, 30,529.98 and 12,050.57

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Solution

The fourth proportional to 22,122.61, 30,529.98 and 12,050.57 is: 16,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.61 : 30,529.98 = 12,050.57 : x
  2. Step 2: Convert to fraction form
    22,122.61/30,529.98 = 12,050.57/x
  3. Step 3: Cross multiply
    22,122.61x = 30,529.98 × 12,050.57
  4. Step 4: Simplify right side
    22,122.61x = 367,903,737.41
  5. Step 5: Solve for x
    x = 367,903,737.41/22,122.61
  6. Step 6: Final answer
    x = 16,630.22

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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.