Home / 15,025.04-22,509.92-7,634.80

Finding the Fourth Proportional to 15,025.04, 22,509.92 and 7,634.80

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Solution

The fourth proportional to 15,025.04, 22,509.92 and 7,634.80 is: 11,438.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,025.04 : 22,509.92 = 7,634.80 : x
  2. Step 2: Convert to fraction form
    15,025.04/22,509.92 = 7,634.80/x
  3. Step 3: Cross multiply
    15,025.04x = 22,509.92 × 7,634.80
  4. Step 4: Simplify right side
    15,025.04x = 171,858,737.22
  5. Step 5: Solve for x
    x = 171,858,737.22/15,025.04
  6. Step 6: Final answer
    x = 11,438.16

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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.