Home / 19,506.30-26,916.75-11,122.80

Finding the Fourth Proportional to 19,506.30, 26,916.75 and 11,122.80

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Solution

The fourth proportional to 19,506.30, 26,916.75 and 11,122.80 is: 15,348.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,506.30 : 26,916.75 = 11,122.80 : x
  2. Step 2: Convert to fraction form
    19,506.30/26,916.75 = 11,122.80/x
  3. Step 3: Cross multiply
    19,506.30x = 26,916.75 × 11,122.80
  4. Step 4: Simplify right side
    19,506.30x = 299,389,626.90
  5. Step 5: Solve for x
    x = 299,389,626.90/19,506.30
  6. Step 6: Final answer
    x = 15,348.36

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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.