Home / 10,828.20-16,266.60-10,415.10

Finding the Fourth Proportional to 10,828.20, 16,266.60 and 10,415.10

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Solution

The fourth proportional to 10,828.20, 16,266.60 and 10,415.10 is: 15,646.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.20 : 16,266.60 = 10,415.10 : x
  2. Step 2: Convert to fraction form
    10,828.20/16,266.60 = 10,415.10/x
  3. Step 3: Cross multiply
    10,828.20x = 16,266.60 × 10,415.10
  4. Step 4: Simplify right side
    10,828.20x = 169,418,265.66
  5. Step 5: Solve for x
    x = 169,418,265.66/10,828.20
  6. Step 6: Final answer
    x = 15,646.02

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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.