Home / 13,475.75-18,597.09-7,507.41

Finding the Fourth Proportional to 13,475.75, 18,597.09 and 7,507.41

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Solution

The fourth proportional to 13,475.75, 18,597.09 and 7,507.41 is: 10,360.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.75 : 18,597.09 = 7,507.41 : x
  2. Step 2: Convert to fraction form
    13,475.75/18,597.09 = 7,507.41/x
  3. Step 3: Cross multiply
    13,475.75x = 18,597.09 × 7,507.41
  4. Step 4: Simplify right side
    13,475.75x = 139,615,937.85
  5. Step 5: Solve for x
    x = 139,615,937.85/13,475.75
  6. Step 6: Final answer
    x = 10,360.54

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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.