Home / 10,714.80-16,071.02-2,818.10

Finding the Fourth Proportional to 10,714.80, 16,071.02 and 2,818.10

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Solution

The fourth proportional to 10,714.80, 16,071.02 and 2,818.10 is: 4,226.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,714.80 : 16,071.02 = 2,818.10 : x
  2. Step 2: Convert to fraction form
    10,714.80/16,071.02 = 2,818.10/x
  3. Step 3: Cross multiply
    10,714.80x = 16,071.02 × 2,818.10
  4. Step 4: Simplify right side
    10,714.80x = 45,289,741.46
  5. Step 5: Solve for x
    x = 45,289,741.46/10,714.80
  6. Step 6: Final answer
    x = 4,226.84

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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.