Home / 15,153.21-22,740.20-5,292.48

Finding the Fourth Proportional to 15,153.21, 22,740.20 and 5,292.48

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Solution

The fourth proportional to 15,153.21, 22,740.20 and 5,292.48 is: 7,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,153.21 : 22,740.20 = 5,292.48 : x
  2. Step 2: Convert to fraction form
    15,153.21/22,740.20 = 5,292.48/x
  3. Step 3: Cross multiply
    15,153.21x = 22,740.20 × 5,292.48
  4. Step 4: Simplify right side
    15,153.21x = 120,352,027.23
  5. Step 5: Solve for x
    x = 120,352,027.23/15,153.21
  6. Step 6: Final answer
    x = 7,942.35

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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.