Home / 12,256.71-18,368.85-4,458.03

Finding the Fourth Proportional to 12,256.71, 18,368.85 and 4,458.03

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Solution

The fourth proportional to 12,256.71, 18,368.85 and 4,458.03 is: 6,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.71 : 18,368.85 = 4,458.03 : x
  2. Step 2: Convert to fraction form
    12,256.71/18,368.85 = 4,458.03/x
  3. Step 3: Cross multiply
    12,256.71x = 18,368.85 × 4,458.03
  4. Step 4: Simplify right side
    12,256.71x = 81,888,884.37
  5. Step 5: Solve for x
    x = 81,888,884.37/12,256.71
  6. Step 6: Final answer
    x = 6,681.15

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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.