Home / 14,652.80-20,230.04-11,289.23

Finding the Fourth Proportional to 14,652.80, 20,230.04 and 11,289.23

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Solution

The fourth proportional to 14,652.80, 20,230.04 and 11,289.23 is: 15,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.80 : 20,230.04 = 11,289.23 : x
  2. Step 2: Convert to fraction form
    14,652.80/20,230.04 = 11,289.23/x
  3. Step 3: Cross multiply
    14,652.80x = 20,230.04 × 11,289.23
  4. Step 4: Simplify right side
    14,652.80x = 228,381,518.02
  5. Step 5: Solve for x
    x = 228,381,518.02/14,652.80
  6. Step 6: Final answer
    x = 15,586.20

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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.