Home / 22,312.14-30,790.57-12,103.15

Finding the Fourth Proportional to 22,312.14, 30,790.57 and 12,103.15

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Solution

The fourth proportional to 22,312.14, 30,790.57 and 12,103.15 is: 16,702.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,312.14 : 30,790.57 = 12,103.15 : x
  2. Step 2: Convert to fraction form
    22,312.14/30,790.57 = 12,103.15/x
  3. Step 3: Cross multiply
    22,312.14x = 30,790.57 × 12,103.15
  4. Step 4: Simplify right side
    22,312.14x = 372,662,887.30
  5. Step 5: Solve for x
    x = 372,662,887.30/22,312.14
  6. Step 6: Final answer
    x = 16,702.25

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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.