Home / 15,381.45-23,031.09-9,804.60

Finding the Fourth Proportional to 15,381.45, 23,031.09 and 9,804.60

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Solution

The fourth proportional to 15,381.45, 23,031.09 and 9,804.60 is: 14,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.45 : 23,031.09 = 9,804.60 : x
  2. Step 2: Convert to fraction form
    15,381.45/23,031.09 = 9,804.60/x
  3. Step 3: Cross multiply
    15,381.45x = 23,031.09 × 9,804.60
  4. Step 4: Simplify right side
    15,381.45x = 225,810,625.01
  5. Step 5: Solve for x
    x = 225,810,625.01/15,381.45
  6. Step 6: Final answer
    x = 14,680.71

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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.