Home / 13,071.21-19,575.46-7,507.72

Finding the Fourth Proportional to 13,071.21, 19,575.46 and 7,507.72

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Solution

The fourth proportional to 13,071.21, 19,575.46 and 7,507.72 is: 11,243.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071.21 : 19,575.46 = 7,507.72 : x
  2. Step 2: Convert to fraction form
    13,071.21/19,575.46 = 7,507.72/x
  3. Step 3: Cross multiply
    13,071.21x = 19,575.46 × 7,507.72
  4. Step 4: Simplify right side
    13,071.21x = 146,967,072.55
  5. Step 5: Solve for x
    x = 146,967,072.55/13,071.21
  6. Step 6: Final answer
    x = 11,243.57

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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.