Home / 12,946.57-19,425.32-5,554.51

Finding the Fourth Proportional to 12,946.57, 19,425.32 and 5,554.51

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Solution

The fourth proportional to 12,946.57, 19,425.32 and 5,554.51 is: 8,334.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946.57 : 19,425.32 = 5,554.51 : x
  2. Step 2: Convert to fraction form
    12,946.57/19,425.32 = 5,554.51/x
  3. Step 3: Cross multiply
    12,946.57x = 19,425.32 × 5,554.51
  4. Step 4: Simplify right side
    12,946.57x = 107,898,078.69
  5. Step 5: Solve for x
    x = 107,898,078.69/12,946.57
  6. Step 6: Final answer
    x = 8,334.11

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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.