Home / 10,529.50-15,788.96-3,507.04

Finding the Fourth Proportional to 10,529.50, 15,788.96 and 3,507.04

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Solution

The fourth proportional to 10,529.50, 15,788.96 and 3,507.04 is: 5,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.50 : 15,788.96 = 3,507.04 : x
  2. Step 2: Convert to fraction form
    10,529.50/15,788.96 = 3,507.04/x
  3. Step 3: Cross multiply
    10,529.50x = 15,788.96 × 3,507.04
  4. Step 4: Simplify right side
    10,529.50x = 55,372,514.28
  5. Step 5: Solve for x
    x = 55,372,514.28/10,529.50
  6. Step 6: Final answer
    x = 5,258.80

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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.