Home / 13,298.20-19,946.66-4,977.61

Finding the Fourth Proportional to 13,298.20, 19,946.66 and 4,977.61

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Solution

The fourth proportional to 13,298.20, 19,946.66 and 4,977.61 is: 7,466.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.20 : 19,946.66 = 4,977.61 : x
  2. Step 2: Convert to fraction form
    13,298.20/19,946.66 = 4,977.61/x
  3. Step 3: Cross multiply
    13,298.20x = 19,946.66 × 4,977.61
  4. Step 4: Simplify right side
    13,298.20x = 99,286,619.53
  5. Step 5: Solve for x
    x = 99,286,619.53/13,298.20
  6. Step 6: Final answer
    x = 7,466.17

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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.