Home / 11,929.33-16,477.97-9,079.39

Finding the Fourth Proportional to 11,929.33, 16,477.97 and 9,079.39

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Solution

The fourth proportional to 11,929.33, 16,477.97 and 9,079.39 is: 12,541.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.33 : 16,477.97 = 9,079.39 : x
  2. Step 2: Convert to fraction form
    11,929.33/16,477.97 = 9,079.39/x
  3. Step 3: Cross multiply
    11,929.33x = 16,477.97 × 9,079.39
  4. Step 4: Simplify right side
    11,929.33x = 149,609,916.04
  5. Step 5: Solve for x
    x = 149,609,916.04/11,929.33
  6. Step 6: Final answer
    x = 12,541.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.