Home / 12,972.22-19,458.33-4,208.02

Finding the Fourth Proportional to 12,972.22, 19,458.33 and 4,208.02

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Solution

The fourth proportional to 12,972.22, 19,458.33 and 4,208.02 is: 6,312.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,972.22 : 19,458.33 = 4,208.02 : x
  2. Step 2: Convert to fraction form
    12,972.22/19,458.33 = 4,208.02/x
  3. Step 3: Cross multiply
    12,972.22x = 19,458.33 × 4,208.02
  4. Step 4: Simplify right side
    12,972.22x = 81,881,041.81
  5. Step 5: Solve for x
    x = 81,881,041.81/12,972.22
  6. Step 6: Final answer
    x = 6,312.03

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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.