Home / 15,601.92-21,530.52-8,528.28

Finding the Fourth Proportional to 15,601.92, 21,530.52 and 8,528.28

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Solution

The fourth proportional to 15,601.92, 21,530.52 and 8,528.28 is: 11,768.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.92 : 21,530.52 = 8,528.28 : x
  2. Step 2: Convert to fraction form
    15,601.92/21,530.52 = 8,528.28/x
  3. Step 3: Cross multiply
    15,601.92x = 21,530.52 × 8,528.28
  4. Step 4: Simplify right side
    15,601.92x = 183,618,303.11
  5. Step 5: Solve for x
    x = 183,618,303.11/15,601.92
  6. Step 6: Final answer
    x = 11,768.96

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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.