Home / 11,017.12-16,526.64-3,119.68

Finding the Fourth Proportional to 11,017.12, 16,526.64 and 3,119.68

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Solution

The fourth proportional to 11,017.12, 16,526.64 and 3,119.68 is: 4,679.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017.12 : 16,526.64 = 3,119.68 : x
  2. Step 2: Convert to fraction form
    11,017.12/16,526.64 = 3,119.68/x
  3. Step 3: Cross multiply
    11,017.12x = 16,526.64 × 3,119.68
  4. Step 4: Simplify right side
    11,017.12x = 51,557,828.28
  5. Step 5: Solve for x
    x = 51,557,828.28/11,017.12
  6. Step 6: Final answer
    x = 4,679.79

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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.