Home / 15,564.24-21,447.83-11,075.42

Finding the Fourth Proportional to 15,564.24, 21,447.83 and 11,075.42

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Solution

The fourth proportional to 15,564.24, 21,447.83 and 11,075.42 is: 15,262.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,564.24 : 21,447.83 = 11,075.42 : x
  2. Step 2: Convert to fraction form
    15,564.24/21,447.83 = 11,075.42/x
  3. Step 3: Cross multiply
    15,564.24x = 21,447.83 × 11,075.42
  4. Step 4: Simplify right side
    15,564.24x = 237,543,562.72
  5. Step 5: Solve for x
    x = 237,543,562.72/15,564.24
  6. Step 6: Final answer
    x = 15,262.14

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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.