Home / 13,329.93-19,963.80-10,537.86

Finding the Fourth Proportional to 13,329.93, 19,963.80 and 10,537.86

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Solution

The fourth proportional to 13,329.93, 19,963.80 and 10,537.86 is: 15,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.93 : 19,963.80 = 10,537.86 : x
  2. Step 2: Convert to fraction form
    13,329.93/19,963.80 = 10,537.86/x
  3. Step 3: Cross multiply
    13,329.93x = 19,963.80 × 10,537.86
  4. Step 4: Simplify right side
    13,329.93x = 210,375,729.47
  5. Step 5: Solve for x
    x = 210,375,729.47/13,329.93
  6. Step 6: Final answer
    x = 15,782.21

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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.