Home / 13,016.64-19,526.28-3,656.70

Finding the Fourth Proportional to 13,016.64, 19,526.28 and 3,656.70

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Solution

The fourth proportional to 13,016.64, 19,526.28 and 3,656.70 is: 5,485.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016.64 : 19,526.28 = 3,656.70 : x
  2. Step 2: Convert to fraction form
    13,016.64/19,526.28 = 3,656.70/x
  3. Step 3: Cross multiply
    13,016.64x = 19,526.28 × 3,656.70
  4. Step 4: Simplify right side
    13,016.64x = 71,401,748.08
  5. Step 5: Solve for x
    x = 71,401,748.08/13,016.64
  6. Step 6: Final answer
    x = 5,485.42

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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.