Home / 13,242.08-18,272.04-7,652

Finding the Fourth Proportional to 13,242.08, 18,272.04 and 7,652

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Solution

The fourth proportional to 13,242.08, 18,272.04 and 7,652 is: 10,558.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.08 : 18,272.04 = 7,652 : x
  2. Step 2: Convert to fraction form
    13,242.08/18,272.04 = 7,652/x
  3. Step 3: Cross multiply
    13,242.08x = 18,272.04 × 7,652
  4. Step 4: Simplify right side
    13,242.08x = 139,817,650.08
  5. Step 5: Solve for x
    x = 139,817,650.08/13,242.08
  6. Step 6: Final answer
    x = 10,558.59

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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.