Home / 19,916.33-27,483.54-10,963.60

Finding the Fourth Proportional to 19,916.33, 27,483.54 and 10,963.60

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Solution

The fourth proportional to 19,916.33, 27,483.54 and 10,963.60 is: 15,129.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916.33 : 27,483.54 = 10,963.60 : x
  2. Step 2: Convert to fraction form
    19,916.33/27,483.54 = 10,963.60/x
  3. Step 3: Cross multiply
    19,916.33x = 27,483.54 × 10,963.60
  4. Step 4: Simplify right side
    19,916.33x = 301,318,429.32
  5. Step 5: Solve for x
    x = 301,318,429.32/19,916.33
  6. Step 6: Final answer
    x = 15,129.22

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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.