Home / 15,601.74-21,530.82-8,528.04

Finding the Fourth Proportional to 15,601.74, 21,530.82 and 8,528.04

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Solution

The fourth proportional to 15,601.74, 21,530.82 and 8,528.04 is: 11,768.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.74 : 21,530.82 = 8,528.04 : x
  2. Step 2: Convert to fraction form
    15,601.74/21,530.82 = 8,528.04/x
  3. Step 3: Cross multiply
    15,601.74x = 21,530.82 × 8,528.04
  4. Step 4: Simplify right side
    15,601.74x = 183,615,694.19
  5. Step 5: Solve for x
    x = 183,615,694.19/15,601.74
  6. Step 6: Final answer
    x = 11,768.92

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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.