Home / 11,509.90-17,297.75-10,729.87

Finding the Fourth Proportional to 11,509.90, 17,297.75 and 10,729.87

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Solution

The fourth proportional to 11,509.90, 17,297.75 and 10,729.87 is: 16,125.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,509.90 : 17,297.75 = 10,729.87 : x
  2. Step 2: Convert to fraction form
    11,509.90/17,297.75 = 10,729.87/x
  3. Step 3: Cross multiply
    11,509.90x = 17,297.75 × 10,729.87
  4. Step 4: Simplify right side
    11,509.90x = 185,602,592.37
  5. Step 5: Solve for x
    x = 185,602,592.37/11,509.90
  6. Step 6: Final answer
    x = 16,125.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.