Home / 15,884.55-21,949.25-11,400.53

Finding the Fourth Proportional to 15,884.55, 21,949.25 and 11,400.53

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Solution

The fourth proportional to 15,884.55, 21,949.25 and 11,400.53 is: 15,753.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,884.55 : 21,949.25 = 11,400.53 : x
  2. Step 2: Convert to fraction form
    15,884.55/21,949.25 = 11,400.53/x
  3. Step 3: Cross multiply
    15,884.55x = 21,949.25 × 11,400.53
  4. Step 4: Simplify right side
    15,884.55x = 250,232,916.35
  5. Step 5: Solve for x
    x = 250,232,916.35/15,884.55
  6. Step 6: Final answer
    x = 15,753.23

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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.