Home / 11,584.10-15,985.08-6,548.78

Finding the Fourth Proportional to 11,584.10, 15,985.08 and 6,548.78

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Solution

The fourth proportional to 11,584.10, 15,985.08 and 6,548.78 is: 9,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,584.10 : 15,985.08 = 6,548.78 : x
  2. Step 2: Convert to fraction form
    11,584.10/15,985.08 = 6,548.78/x
  3. Step 3: Cross multiply
    11,584.10x = 15,985.08 × 6,548.78
  4. Step 4: Simplify right side
    11,584.10x = 104,682,772.20
  5. Step 5: Solve for x
    x = 104,682,772.20/11,584.10
  6. Step 6: Final answer
    x = 9,036.76

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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.