Home / 37,815.21-56,729.30-11,515.05

Finding the Fourth Proportional to 37,815.21, 56,729.30 and 11,515.05

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Solution

The fourth proportional to 37,815.21, 56,729.30 and 11,515.05 is: 17,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,815.21 : 56,729.30 = 11,515.05 : x
  2. Step 2: Convert to fraction form
    37,815.21/56,729.30 = 11,515.05/x
  3. Step 3: Cross multiply
    37,815.21x = 56,729.30 × 11,515.05
  4. Step 4: Simplify right side
    37,815.21x = 653,240,668.39
  5. Step 5: Solve for x
    x = 653,240,668.39/37,815.21
  6. Step 6: Final answer
    x = 17,274.55

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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.