Home / 13,237.56-18,269.94-7,651.80

Finding the Fourth Proportional to 13,237.56, 18,269.94 and 7,651.80

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Solution

The fourth proportional to 13,237.56, 18,269.94 and 7,651.80 is: 10,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.56 : 18,269.94 = 7,651.80 : x
  2. Step 2: Convert to fraction form
    13,237.56/18,269.94 = 7,651.80/x
  3. Step 3: Cross multiply
    13,237.56x = 18,269.94 × 7,651.80
  4. Step 4: Simplify right side
    13,237.56x = 139,797,926.89
  5. Step 5: Solve for x
    x = 139,797,926.89/13,237.56
  6. Step 6: Final answer
    x = 10,560.70

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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.