Home / 13,267.20-18,296.64-10,614.72

Finding the Fourth Proportional to 13,267.20, 18,296.64 and 10,614.72

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Solution

The fourth proportional to 13,267.20, 18,296.64 and 10,614.72 is: 14,638.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.20 : 18,296.64 = 10,614.72 : x
  2. Step 2: Convert to fraction form
    13,267.20/18,296.64 = 10,614.72/x
  3. Step 3: Cross multiply
    13,267.20x = 18,296.64 × 10,614.72
  4. Step 4: Simplify right side
    13,267.20x = 194,213,710.54
  5. Step 5: Solve for x
    x = 194,213,710.54/13,267.20
  6. Step 6: Final answer
    x = 14,638.64

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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.