Home / 13,714.42-18,925.80-7,426.75

Finding the Fourth Proportional to 13,714.42, 18,925.80 and 7,426.75

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Solution

The fourth proportional to 13,714.42, 18,925.80 and 7,426.75 is: 10,248.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.42 : 18,925.80 = 7,426.75 : x
  2. Step 2: Convert to fraction form
    13,714.42/18,925.80 = 7,426.75/x
  3. Step 3: Cross multiply
    13,714.42x = 18,925.80 × 7,426.75
  4. Step 4: Simplify right side
    13,714.42x = 140,557,185.15
  5. Step 5: Solve for x
    x = 140,557,185.15/13,714.42
  6. Step 6: Final answer
    x = 10,248.86

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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.