Home / 14,121.23-19,487.27-8,152.75

Finding the Fourth Proportional to 14,121.23, 19,487.27 and 8,152.75

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Solution

The fourth proportional to 14,121.23, 19,487.27 and 8,152.75 is: 11,250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.23 : 19,487.27 = 8,152.75 : x
  2. Step 2: Convert to fraction form
    14,121.23/19,487.27 = 8,152.75/x
  3. Step 3: Cross multiply
    14,121.23x = 19,487.27 × 8,152.75
  4. Step 4: Simplify right side
    14,121.23x = 158,874,702.29
  5. Step 5: Solve for x
    x = 158,874,702.29/14,121.23
  6. Step 6: Final answer
    x = 11,250.77

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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.