Home / 13,714.68-18,928.08-10,187.88

Finding the Fourth Proportional to 13,714.68, 18,928.08 and 10,187.88

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Solution

The fourth proportional to 13,714.68, 18,928.08 and 10,187.88 is: 14,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.68 : 18,928.08 = 10,187.88 : x
  2. Step 2: Convert to fraction form
    13,714.68/18,928.08 = 10,187.88/x
  3. Step 3: Cross multiply
    13,714.68x = 18,928.08 × 10,187.88
  4. Step 4: Simplify right side
    13,714.68x = 192,837,007.67
  5. Step 5: Solve for x
    x = 192,837,007.67/13,714.68
  6. Step 6: Final answer
    x = 14,060.63

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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.