Home / 10,849.20-16,268.40-4,999.20

Finding the Fourth Proportional to 10,849.20, 16,268.40 and 4,999.20

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Solution

The fourth proportional to 10,849.20, 16,268.40 and 4,999.20 is: 7,496.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,849.20 : 16,268.40 = 4,999.20 : x
  2. Step 2: Convert to fraction form
    10,849.20/16,268.40 = 4,999.20/x
  3. Step 3: Cross multiply
    10,849.20x = 16,268.40 × 4,999.20
  4. Step 4: Simplify right side
    10,849.20x = 81,328,985.28
  5. Step 5: Solve for x
    x = 81,328,985.28/10,849.20
  6. Step 6: Final answer
    x = 7,496.31

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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.