Home / 15,515.63-23,267.26-8,126.30

Finding the Fourth Proportional to 15,515.63, 23,267.26 and 8,126.30

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Solution

The fourth proportional to 15,515.63, 23,267.26 and 8,126.30 is: 12,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.63 : 23,267.26 = 8,126.30 : x
  2. Step 2: Convert to fraction form
    15,515.63/23,267.26 = 8,126.30/x
  3. Step 3: Cross multiply
    15,515.63x = 23,267.26 × 8,126.30
  4. Step 4: Simplify right side
    15,515.63x = 189,076,734.94
  5. Step 5: Solve for x
    x = 189,076,734.94/15,515.63
  6. Step 6: Final answer
    x = 12,186.21

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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.