Home / 13,266.09-18,306.82-7,297.76

Finding the Fourth Proportional to 13,266.09, 18,306.82 and 7,297.76

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Solution

The fourth proportional to 13,266.09, 18,306.82 and 7,297.76 is: 10,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.09 : 18,306.82 = 7,297.76 : x
  2. Step 2: Convert to fraction form
    13,266.09/18,306.82 = 7,297.76/x
  3. Step 3: Cross multiply
    13,266.09x = 18,306.82 × 7,297.76
  4. Step 4: Simplify right side
    13,266.09x = 133,598,778.72
  5. Step 5: Solve for x
    x = 133,598,778.72/13,266.09
  6. Step 6: Final answer
    x = 10,070.70

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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.