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Finding the Fourth Proportional to 15,216.40, 22,804.83 and 6,199.99

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Solution

The fourth proportional to 15,216.40, 22,804.83 and 6,199.99 is: 9,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216.40 : 22,804.83 = 6,199.99 : x
  2. Step 2: Convert to fraction form
    15,216.40/22,804.83 = 6,199.99/x
  3. Step 3: Cross multiply
    15,216.40x = 22,804.83 × 6,199.99
  4. Step 4: Simplify right side
    15,216.40x = 141,389,771.78
  5. Step 5: Solve for x
    x = 141,389,771.78/15,216.40
  6. Step 6: Final answer
    x = 9,291.93

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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.