Home / 10,651.40-15,977.10-6,714.80

Finding the Fourth Proportional to 10,651.40, 15,977.10 and 6,714.80

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Solution

The fourth proportional to 10,651.40, 15,977.10 and 6,714.80 is: 10,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.40 : 15,977.10 = 6,714.80 : x
  2. Step 2: Convert to fraction form
    10,651.40/15,977.10 = 6,714.80/x
  3. Step 3: Cross multiply
    10,651.40x = 15,977.10 × 6,714.80
  4. Step 4: Simplify right side
    10,651.40x = 107,283,031.08
  5. Step 5: Solve for x
    x = 107,283,031.08/10,651.40
  6. Step 6: Final answer
    x = 10,072.20

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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.