Home / 13,394.48-18,484.62-8,089.52

Finding the Fourth Proportional to 13,394.48, 18,484.62 and 8,089.52

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Solution

The fourth proportional to 13,394.48, 18,484.62 and 8,089.52 is: 11,163.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.48 : 18,484.62 = 8,089.52 : x
  2. Step 2: Convert to fraction form
    13,394.48/18,484.62 = 8,089.52/x
  3. Step 3: Cross multiply
    13,394.48x = 18,484.62 × 8,089.52
  4. Step 4: Simplify right side
    13,394.48x = 149,531,703.18
  5. Step 5: Solve for x
    x = 149,531,703.18/13,394.48
  6. Step 6: Final answer
    x = 11,163.68

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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.