Home / 15,150.48-20,907.04-9,184.56

Finding the Fourth Proportional to 15,150.48, 20,907.04 and 9,184.56

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Solution

The fourth proportional to 15,150.48, 20,907.04 and 9,184.56 is: 12,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.48 : 20,907.04 = 9,184.56 : x
  2. Step 2: Convert to fraction form
    15,150.48/20,907.04 = 9,184.56/x
  3. Step 3: Cross multiply
    15,150.48x = 20,907.04 × 9,184.56
  4. Step 4: Simplify right side
    15,150.48x = 192,021,963.30
  5. Step 5: Solve for x
    x = 192,021,963.30/15,150.48
  6. Step 6: Final answer
    x = 12,674.32

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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.