Home / 11,528.87-15,908.15-6,492.09

Finding the Fourth Proportional to 11,528.87, 15,908.15 and 6,492.09

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Solution

The fourth proportional to 11,528.87, 15,908.15 and 6,492.09 is: 8,958.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.87 : 15,908.15 = 6,492.09 : x
  2. Step 2: Convert to fraction form
    11,528.87/15,908.15 = 6,492.09/x
  3. Step 3: Cross multiply
    11,528.87x = 15,908.15 × 6,492.09
  4. Step 4: Simplify right side
    11,528.87x = 103,277,073.76
  5. Step 5: Solve for x
    x = 103,277,073.76/11,528.87
  6. Step 6: Final answer
    x = 8,958.13

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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.