Home / 13,536.23-18,679.23-7,486.12

Finding the Fourth Proportional to 13,536.23, 18,679.23 and 7,486.12

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Solution

The fourth proportional to 13,536.23, 18,679.23 and 7,486.12 is: 10,330.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.23 : 18,679.23 = 7,486.12 : x
  2. Step 2: Convert to fraction form
    13,536.23/18,679.23 = 7,486.12/x
  3. Step 3: Cross multiply
    13,536.23x = 18,679.23 × 7,486.12
  4. Step 4: Simplify right side
    13,536.23x = 139,834,957.29
  5. Step 5: Solve for x
    x = 139,834,957.29/13,536.23
  6. Step 6: Final answer
    x = 10,330.42

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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.