Home / 11,064.20-15,268.02-6,872.36

Finding the Fourth Proportional to 11,064.20, 15,268.02 and 6,872.36

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Solution

The fourth proportional to 11,064.20, 15,268.02 and 6,872.36 is: 9,483.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,064.20 : 15,268.02 = 6,872.36 : x
  2. Step 2: Convert to fraction form
    11,064.20/15,268.02 = 6,872.36/x
  3. Step 3: Cross multiply
    11,064.20x = 15,268.02 × 6,872.36
  4. Step 4: Simplify right side
    11,064.20x = 104,927,329.93
  5. Step 5: Solve for x
    x = 104,927,329.93/11,064.20
  6. Step 6: Final answer
    x = 9,483.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.