Home / 16,427.88-22,647.87-12,392.91

Finding the Fourth Proportional to 16,427.88, 22,647.87 and 12,392.91

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Solution

The fourth proportional to 16,427.88, 22,647.87 and 12,392.91 is: 17,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,427.88 : 22,647.87 = 12,392.91 : x
  2. Step 2: Convert to fraction form
    16,427.88/22,647.87 = 12,392.91/x
  3. Step 3: Cross multiply
    16,427.88x = 22,647.87 × 12,392.91
  4. Step 4: Simplify right side
    16,427.88x = 280,673,014.60
  5. Step 5: Solve for x
    x = 280,673,014.60/16,427.88
  6. Step 6: Final answer
    x = 17,085.16

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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.