Home / 12,916.33-19,386.62-6,347.23

Finding the Fourth Proportional to 12,916.33, 19,386.62 and 6,347.23

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Solution

The fourth proportional to 12,916.33, 19,386.62 and 6,347.23 is: 9,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916.33 : 19,386.62 = 6,347.23 : x
  2. Step 2: Convert to fraction form
    12,916.33/19,386.62 = 6,347.23/x
  3. Step 3: Cross multiply
    12,916.33x = 19,386.62 × 6,347.23
  4. Step 4: Simplify right side
    12,916.33x = 123,051,336.06
  5. Step 5: Solve for x
    x = 123,051,336.06/12,916.33
  6. Step 6: Final answer
    x = 9,526.80

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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.