Home / 12,284.19-18,429.03-4,888.98

Finding the Fourth Proportional to 12,284.19, 18,429.03 and 4,888.98

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Solution

The fourth proportional to 12,284.19, 18,429.03 and 4,888.98 is: 7,334.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284.19 : 18,429.03 = 4,888.98 : x
  2. Step 2: Convert to fraction form
    12,284.19/18,429.03 = 4,888.98/x
  3. Step 3: Cross multiply
    12,284.19x = 18,429.03 × 4,888.98
  4. Step 4: Simplify right side
    12,284.19x = 90,099,159.09
  5. Step 5: Solve for x
    x = 90,099,159.09/12,284.19
  6. Step 6: Final answer
    x = 7,334.56

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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.