Home / 13,507.47-20,247.03-7,575.66

Finding the Fourth Proportional to 13,507.47, 20,247.03 and 7,575.66

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Solution

The fourth proportional to 13,507.47, 20,247.03 and 7,575.66 is: 11,355.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507.47 : 20,247.03 = 7,575.66 : x
  2. Step 2: Convert to fraction form
    13,507.47/20,247.03 = 7,575.66/x
  3. Step 3: Cross multiply
    13,507.47x = 20,247.03 × 7,575.66
  4. Step 4: Simplify right side
    13,507.47x = 153,384,615.29
  5. Step 5: Solve for x
    x = 153,384,615.29/13,507.47
  6. Step 6: Final answer
    x = 11,355.54

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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.