Home / 10,029.43-13,841.12-5,553.67

Finding the Fourth Proportional to 10,029.43, 13,841.12 and 5,553.67

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Solution

The fourth proportional to 10,029.43, 13,841.12 and 5,553.67 is: 7,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,029.43 : 13,841.12 = 5,553.67 : x
  2. Step 2: Convert to fraction form
    10,029.43/13,841.12 = 5,553.67/x
  3. Step 3: Cross multiply
    10,029.43x = 13,841.12 × 5,553.67
  4. Step 4: Simplify right side
    10,029.43x = 76,868,985.14
  5. Step 5: Solve for x
    x = 76,868,985.14/10,029.43
  6. Step 6: Final answer
    x = 7,664.35

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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.