Home / 13,783.47-20,658.80-9,600.83

Finding the Fourth Proportional to 13,783.47, 20,658.80 and 9,600.83

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Solution

The fourth proportional to 13,783.47, 20,658.80 and 9,600.83 is: 14,389.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.47 : 20,658.80 = 9,600.83 : x
  2. Step 2: Convert to fraction form
    13,783.47/20,658.80 = 9,600.83/x
  3. Step 3: Cross multiply
    13,783.47x = 20,658.80 × 9,600.83
  4. Step 4: Simplify right side
    13,783.47x = 198,341,626.80
  5. Step 5: Solve for x
    x = 198,341,626.80/13,783.47
  6. Step 6: Final answer
    x = 14,389.82

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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.