Home / 19,299.20-28,950.15-8,204.63

Finding the Fourth Proportional to 19,299.20, 28,950.15 and 8,204.63

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Solution

The fourth proportional to 19,299.20, 28,950.15 and 8,204.63 is: 12,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.20 : 28,950.15 = 8,204.63 : x
  2. Step 2: Convert to fraction form
    19,299.20/28,950.15 = 8,204.63/x
  3. Step 3: Cross multiply
    19,299.20x = 28,950.15 × 8,204.63
  4. Step 4: Simplify right side
    19,299.20x = 237,525,269.19
  5. Step 5: Solve for x
    x = 237,525,269.19/19,299.20
  6. Step 6: Final answer
    x = 12,307.52

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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.