Home / 13,795.97-20,646.54-8,528.94

Finding the Fourth Proportional to 13,795.97, 20,646.54 and 8,528.94

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Solution

The fourth proportional to 13,795.97, 20,646.54 and 8,528.94 is: 12,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.97 : 20,646.54 = 8,528.94 : x
  2. Step 2: Convert to fraction form
    13,795.97/20,646.54 = 8,528.94/x
  3. Step 3: Cross multiply
    13,795.97x = 20,646.54 × 8,528.94
  4. Step 4: Simplify right side
    13,795.97x = 176,093,100.87
  5. Step 5: Solve for x
    x = 176,093,100.87/13,795.97
  6. Step 6: Final answer
    x = 12,764.10

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1.5x scale

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.