Home / 9,538.40-14,307.99-2,518.70

Finding the Fourth Proportional to 9,538.40, 14,307.99 and 2,518.70

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Solution

The fourth proportional to 9,538.40, 14,307.99 and 2,518.70 is: 3,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,538.40 : 14,307.99 = 2,518.70 : x
  2. Step 2: Convert to fraction form
    9,538.40/14,307.99 = 2,518.70/x
  3. Step 3: Cross multiply
    9,538.40x = 14,307.99 × 2,518.70
  4. Step 4: Simplify right side
    9,538.40x = 36,037,467.60
  5. Step 5: Solve for x
    x = 36,037,467.60/9,538.40
  6. Step 6: Final answer
    x = 3,778.15

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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.