Home / 13,495.21-20,225.14-7,247.91

Finding the Fourth Proportional to 13,495.21, 20,225.14 and 7,247.91

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Solution

The fourth proportional to 13,495.21, 20,225.14 and 7,247.91 is: 10,862.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.21 : 20,225.14 = 7,247.91 : x
  2. Step 2: Convert to fraction form
    13,495.21/20,225.14 = 7,247.91/x
  3. Step 3: Cross multiply
    13,495.21x = 20,225.14 × 7,247.91
  4. Step 4: Simplify right side
    13,495.21x = 146,589,922.30
  5. Step 5: Solve for x
    x = 146,589,922.30/13,495.21
  6. Step 6: Final answer
    x = 10,862.37

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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.