Home / 9,845.20-14,762.35-6,728.72

Finding the Fourth Proportional to 9,845.20, 14,762.35 and 6,728.72

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Solution

The fourth proportional to 9,845.20, 14,762.35 and 6,728.72 is: 10,089.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.20 : 14,762.35 = 6,728.72 : x
  2. Step 2: Convert to fraction form
    9,845.20/14,762.35 = 6,728.72/x
  3. Step 3: Cross multiply
    9,845.20x = 14,762.35 × 6,728.72
  4. Step 4: Simplify right side
    9,845.20x = 99,331,737.33
  5. Step 5: Solve for x
    x = 99,331,737.33/9,845.20
  6. Step 6: Final answer
    x = 10,089.36

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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.