Home / 14,703.27-20,289.31-8,652.55

Finding the Fourth Proportional to 14,703.27, 20,289.31 and 8,652.55

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Solution

The fourth proportional to 14,703.27, 20,289.31 and 8,652.55 is: 11,939.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.27 : 20,289.31 = 8,652.55 : x
  2. Step 2: Convert to fraction form
    14,703.27/20,289.31 = 8,652.55/x
  3. Step 3: Cross multiply
    14,703.27x = 20,289.31 × 8,652.55
  4. Step 4: Simplify right side
    14,703.27x = 175,554,269.24
  5. Step 5: Solve for x
    x = 175,554,269.24/14,703.27
  6. Step 6: Final answer
    x = 11,939.81

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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.