Home / 14,247.96-21,375.80-12,877.08

Finding the Fourth Proportional to 14,247.96, 21,375.80 and 12,877.08

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Solution

The fourth proportional to 14,247.96, 21,375.80 and 12,877.08 is: 19,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.96 : 21,375.80 = 12,877.08 : x
  2. Step 2: Convert to fraction form
    14,247.96/21,375.80 = 12,877.08/x
  3. Step 3: Cross multiply
    14,247.96x = 21,375.80 × 12,877.08
  4. Step 4: Simplify right side
    14,247.96x = 275,257,886.66
  5. Step 5: Solve for x
    x = 275,257,886.66/14,247.96
  6. Step 6: Final answer
    x = 19,319.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.