Home / 15,601.92-21,530.75-8,528.37

Finding the Fourth Proportional to 15,601.92, 21,530.75 and 8,528.37

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Solution

The fourth proportional to 15,601.92, 21,530.75 and 8,528.37 is: 11,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.92 : 21,530.75 = 8,528.37 : x
  2. Step 2: Convert to fraction form
    15,601.92/21,530.75 = 8,528.37/x
  3. Step 3: Cross multiply
    15,601.92x = 21,530.75 × 8,528.37
  4. Step 4: Simplify right side
    15,601.92x = 183,622,159.74
  5. Step 5: Solve for x
    x = 183,622,159.74/15,601.92
  6. Step 6: Final answer
    x = 11,769.20

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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.