Home / 12,510.84-18,755.22-4,714.20

Finding the Fourth Proportional to 12,510.84, 18,755.22 and 4,714.20

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Solution

The fourth proportional to 12,510.84, 18,755.22 and 4,714.20 is: 7,067.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.84 : 18,755.22 = 4,714.20 : x
  2. Step 2: Convert to fraction form
    12,510.84/18,755.22 = 4,714.20/x
  3. Step 3: Cross multiply
    12,510.84x = 18,755.22 × 4,714.20
  4. Step 4: Simplify right side
    12,510.84x = 88,415,858.12
  5. Step 5: Solve for x
    x = 88,415,858.12/12,510.84
  6. Step 6: Final answer
    x = 7,067.14

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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.