Home / 13,714.05-18,925.23-8,047.79

Finding the Fourth Proportional to 13,714.05, 18,925.23 and 8,047.79

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Solution

The fourth proportional to 13,714.05, 18,925.23 and 8,047.79 is: 11,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.05 : 18,925.23 = 8,047.79 : x
  2. Step 2: Convert to fraction form
    13,714.05/18,925.23 = 8,047.79/x
  3. Step 3: Cross multiply
    13,714.05x = 18,925.23 × 8,047.79
  4. Step 4: Simplify right side
    13,714.05x = 152,306,182.12
  5. Step 5: Solve for x
    x = 152,306,182.12/13,714.05
  6. Step 6: Final answer
    x = 11,105.85

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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.