Home / 11,088.99-15,297.50-7,505.20

Finding the Fourth Proportional to 11,088.99, 15,297.50 and 7,505.20

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Solution

The fourth proportional to 11,088.99, 15,297.50 and 7,505.20 is: 10,353.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.99 : 15,297.50 = 7,505.20 : x
  2. Step 2: Convert to fraction form
    11,088.99/15,297.50 = 7,505.20/x
  3. Step 3: Cross multiply
    11,088.99x = 15,297.50 × 7,505.20
  4. Step 4: Simplify right side
    11,088.99x = 114,810,797
  5. Step 5: Solve for x
    x = 114,810,797/11,088.99
  6. Step 6: Final answer
    x = 10,353.58

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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.