Home / 12,002.34-16,563.11-6,624.81

Finding the Fourth Proportional to 12,002.34, 16,563.11 and 6,624.81

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Solution

The fourth proportional to 12,002.34, 16,563.11 and 6,624.81 is: 9,142.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002.34 : 16,563.11 = 6,624.81 : x
  2. Step 2: Convert to fraction form
    12,002.34/16,563.11 = 6,624.81/x
  3. Step 3: Cross multiply
    12,002.34x = 16,563.11 × 6,624.81
  4. Step 4: Simplify right side
    12,002.34x = 109,727,485.75
  5. Step 5: Solve for x
    x = 109,727,485.75/12,002.34
  6. Step 6: Final answer
    x = 9,142.18

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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.