Home / 19,515.81-29,279.00-7,037.22

Finding the Fourth Proportional to 19,515.81, 29,279.00 and 7,037.22

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Solution

The fourth proportional to 19,515.81, 29,279.00 and 7,037.22 is: 10,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.81 : 29,279.00 = 7,037.22 : x
  2. Step 2: Convert to fraction form
    19,515.81/29,279.00 = 7,037.22/x
  3. Step 3: Cross multiply
    19,515.81x = 29,279.00 × 7,037.22
  4. Step 4: Simplify right side
    19,515.81x = 206,042,729.19
  5. Step 5: Solve for x
    x = 206,042,729.19/19,515.81
  6. Step 6: Final answer
    x = 10,557.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.