Home / 13,267.89-18,310.05-7,299.63

Finding the Fourth Proportional to 13,267.89, 18,310.05 and 7,299.63

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Solution

The fourth proportional to 13,267.89, 18,310.05 and 7,299.63 is: 10,073.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.89 : 18,310.05 = 7,299.63 : x
  2. Step 2: Convert to fraction form
    13,267.89/18,310.05 = 7,299.63/x
  3. Step 3: Cross multiply
    13,267.89x = 18,310.05 × 7,299.63
  4. Step 4: Simplify right side
    13,267.89x = 133,656,590.28
  5. Step 5: Solve for x
    x = 133,656,590.28/13,267.89
  6. Step 6: Final answer
    x = 10,073.69

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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.