Home / 13,208.64-19,815.18-4,888.68

Finding the Fourth Proportional to 13,208.64, 19,815.18 and 4,888.68

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Solution

The fourth proportional to 13,208.64, 19,815.18 and 4,888.68 is: 7,333.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.64 : 19,815.18 = 4,888.68 : x
  2. Step 2: Convert to fraction form
    13,208.64/19,815.18 = 4,888.68/x
  3. Step 3: Cross multiply
    13,208.64x = 19,815.18 × 4,888.68
  4. Step 4: Simplify right side
    13,208.64x = 96,870,074.16
  5. Step 5: Solve for x
    x = 96,870,074.16/13,208.64
  6. Step 6: Final answer
    x = 7,333.84

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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.