Home / 10,887.98-15,021.75-7,529.58

Finding the Fourth Proportional to 10,887.98, 15,021.75 and 7,529.58

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Solution

The fourth proportional to 10,887.98, 15,021.75 and 7,529.58 is: 10,388.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.98 : 15,021.75 = 7,529.58 : x
  2. Step 2: Convert to fraction form
    10,887.98/15,021.75 = 7,529.58/x
  3. Step 3: Cross multiply
    10,887.98x = 15,021.75 × 7,529.58
  4. Step 4: Simplify right side
    10,887.98x = 113,107,468.37
  5. Step 5: Solve for x
    x = 113,107,468.37/10,887.98
  6. Step 6: Final answer
    x = 10,388.29

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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.