Home / 12,000.09-18,002.97-5,426.27

Finding the Fourth Proportional to 12,000.09, 18,002.97 and 5,426.27

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Solution

The fourth proportional to 12,000.09, 18,002.97 and 5,426.27 is: 8,140.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.09 : 18,002.97 = 5,426.27 : x
  2. Step 2: Convert to fraction form
    12,000.09/18,002.97 = 5,426.27/x
  3. Step 3: Cross multiply
    12,000.09x = 18,002.97 × 5,426.27
  4. Step 4: Simplify right side
    12,000.09x = 97,688,886.01
  5. Step 5: Solve for x
    x = 97,688,886.01/12,000.09
  6. Step 6: Final answer
    x = 8,140.68

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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.