Home / 16,747.32-23,118.84-12,271.26

Finding the Fourth Proportional to 16,747.32, 23,118.84 and 12,271.26

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Solution

The fourth proportional to 16,747.32, 23,118.84 and 12,271.26 is: 16,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,747.32 : 23,118.84 = 12,271.26 : x
  2. Step 2: Convert to fraction form
    16,747.32/23,118.84 = 12,271.26/x
  3. Step 3: Cross multiply
    16,747.32x = 23,118.84 × 12,271.26
  4. Step 4: Simplify right side
    16,747.32x = 283,697,296.54
  5. Step 5: Solve for x
    x = 283,697,296.54/16,747.32
  6. Step 6: Final answer
    x = 16,939.86

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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.