Home / 18,495.48-25,493.04-13,110.96

Finding the Fourth Proportional to 18,495.48, 25,493.04 and 13,110.96

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Solution

The fourth proportional to 18,495.48, 25,493.04 and 13,110.96 is: 18,071.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.48 : 25,493.04 = 13,110.96 : x
  2. Step 2: Convert to fraction form
    18,495.48/25,493.04 = 13,110.96/x
  3. Step 3: Cross multiply
    18,495.48x = 25,493.04 × 13,110.96
  4. Step 4: Simplify right side
    18,495.48x = 334,238,227.72
  5. Step 5: Solve for x
    x = 334,238,227.72/18,495.48
  6. Step 6: Final answer
    x = 18,071.35

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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.