Home / 15,369.24-21,184.06-10,887.24

Finding the Fourth Proportional to 15,369.24, 21,184.06 and 10,887.24

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Solution

The fourth proportional to 15,369.24, 21,184.06 and 10,887.24 is: 15,006.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,369.24 : 21,184.06 = 10,887.24 : x
  2. Step 2: Convert to fraction form
    15,369.24/21,184.06 = 10,887.24/x
  3. Step 3: Cross multiply
    15,369.24x = 21,184.06 × 10,887.24
  4. Step 4: Simplify right side
    15,369.24x = 230,635,945.39
  5. Step 5: Solve for x
    x = 230,635,945.39/15,369.24
  6. Step 6: Final answer
    x = 15,006.33

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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.