Home / 15,628.10-21,544.29-11,144.03

Finding the Fourth Proportional to 15,628.10, 21,544.29 and 11,144.03

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Solution

The fourth proportional to 15,628.10, 21,544.29 and 11,144.03 is: 15,362.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.10 : 21,544.29 = 11,144.03 : x
  2. Step 2: Convert to fraction form
    15,628.10/21,544.29 = 11,144.03/x
  3. Step 3: Cross multiply
    15,628.10x = 21,544.29 × 11,144.03
  4. Step 4: Simplify right side
    15,628.10x = 240,090,106.37
  5. Step 5: Solve for x
    x = 240,090,106.37/15,628.10
  6. Step 6: Final answer
    x = 15,362.72

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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.