Home / 11,610.01-16,021.56-6,304.78

Finding the Fourth Proportional to 11,610.01, 16,021.56 and 6,304.78

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Solution

The fourth proportional to 11,610.01, 16,021.56 and 6,304.78 is: 8,700.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,610.01 : 16,021.56 = 6,304.78 : x
  2. Step 2: Convert to fraction form
    11,610.01/16,021.56 = 6,304.78/x
  3. Step 3: Cross multiply
    11,610.01x = 16,021.56 × 6,304.78
  4. Step 4: Simplify right side
    11,610.01x = 101,012,411.06
  5. Step 5: Solve for x
    x = 101,012,411.06/11,610.01
  6. Step 6: Final answer
    x = 8,700.46

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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.