Home / 10,529.92-15,783.84-3,508.08

Finding the Fourth Proportional to 10,529.92, 15,783.84 and 3,508.08

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Solution

The fourth proportional to 10,529.92, 15,783.84 and 3,508.08 is: 5,258.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.92 : 15,783.84 = 3,508.08 : x
  2. Step 2: Convert to fraction form
    10,529.92/15,783.84 = 3,508.08/x
  3. Step 3: Cross multiply
    10,529.92x = 15,783.84 × 3,508.08
  4. Step 4: Simplify right side
    10,529.92x = 55,370,973.43
  5. Step 5: Solve for x
    x = 55,370,973.43/10,529.92
  6. Step 6: Final answer
    x = 5,258.44

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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.