Home / 12,057.44-18,088.59-4,271.72

Finding the Fourth Proportional to 12,057.44, 18,088.59 and 4,271.72

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Solution

The fourth proportional to 12,057.44, 18,088.59 and 4,271.72 is: 6,408.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057.44 : 18,088.59 = 4,271.72 : x
  2. Step 2: Convert to fraction form
    12,057.44/18,088.59 = 4,271.72/x
  3. Step 3: Cross multiply
    12,057.44x = 18,088.59 × 4,271.72
  4. Step 4: Simplify right side
    12,057.44x = 77,269,301.23
  5. Step 5: Solve for x
    x = 77,269,301.23/12,057.44
  6. Step 6: Final answer
    x = 6,408.44

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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.