Home / 12,968.68-19,416.30-10,080.76

Finding the Fourth Proportional to 12,968.68, 19,416.30 and 10,080.76

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Solution

The fourth proportional to 12,968.68, 19,416.30 and 10,080.76 is: 15,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.68 : 19,416.30 = 10,080.76 : x
  2. Step 2: Convert to fraction form
    12,968.68/19,416.30 = 10,080.76/x
  3. Step 3: Cross multiply
    12,968.68x = 19,416.30 × 10,080.76
  4. Step 4: Simplify right side
    12,968.68x = 195,731,060.39
  5. Step 5: Solve for x
    x = 195,731,060.39/12,968.68
  6. Step 6: Final answer
    x = 15,092.60

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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.