Home / 13,734.08-18,952.86-7,446.44

Finding the Fourth Proportional to 13,734.08, 18,952.86 and 7,446.44

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Solution

The fourth proportional to 13,734.08, 18,952.86 and 7,446.44 is: 10,275.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.08 : 18,952.86 = 7,446.44 : x
  2. Step 2: Convert to fraction form
    13,734.08/18,952.86 = 7,446.44/x
  3. Step 3: Cross multiply
    13,734.08x = 18,952.86 × 7,446.44
  4. Step 4: Simplify right side
    13,734.08x = 141,131,334.82
  5. Step 5: Solve for x
    x = 141,131,334.82/13,734.08
  6. Step 6: Final answer
    x = 10,275.99

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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.