Home / 13,519.08-18,646.03-11,633.81

Finding the Fourth Proportional to 13,519.08, 18,646.03 and 11,633.81

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Solution

The fourth proportional to 13,519.08, 18,646.03 and 11,633.81 is: 16,045.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519.08 : 18,646.03 = 11,633.81 : x
  2. Step 2: Convert to fraction form
    13,519.08/18,646.03 = 11,633.81/x
  3. Step 3: Cross multiply
    13,519.08x = 18,646.03 × 11,633.81
  4. Step 4: Simplify right side
    13,519.08x = 216,924,370.27
  5. Step 5: Solve for x
    x = 216,924,370.27/13,519.08
  6. Step 6: Final answer
    x = 16,045.79

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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.