Home / 13,083.35-18,053.73-7,416.98

Finding the Fourth Proportional to 13,083.35, 18,053.73 and 7,416.98

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Solution

The fourth proportional to 13,083.35, 18,053.73 and 7,416.98 is: 10,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.35 : 18,053.73 = 7,416.98 : x
  2. Step 2: Convert to fraction form
    13,083.35/18,053.73 = 7,416.98/x
  3. Step 3: Cross multiply
    13,083.35x = 18,053.73 × 7,416.98
  4. Step 4: Simplify right side
    13,083.35x = 133,904,154.34
  5. Step 5: Solve for x
    x = 133,904,154.34/13,083.35
  6. Step 6: Final answer
    x = 10,234.70

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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.