Home / 10,699.20-16,053.84-4,127.76

Finding the Fourth Proportional to 10,699.20, 16,053.84 and 4,127.76

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Solution

The fourth proportional to 10,699.20, 16,053.84 and 4,127.76 is: 6,193.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,699.20 : 16,053.84 = 4,127.76 : x
  2. Step 2: Convert to fraction form
    10,699.20/16,053.84 = 4,127.76/x
  3. Step 3: Cross multiply
    10,699.20x = 16,053.84 × 4,127.76
  4. Step 4: Simplify right side
    10,699.20x = 66,266,398.60
  5. Step 5: Solve for x
    x = 66,266,398.60/10,699.20
  6. Step 6: Final answer
    x = 6,193.58

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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.