Home / 23,118.77-34,679.70-8,124.06

Finding the Fourth Proportional to 23,118.77, 34,679.70 and 8,124.06

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Solution

The fourth proportional to 23,118.77, 34,679.70 and 8,124.06 is: 12,186.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,118.77 : 34,679.70 = 8,124.06 : x
  2. Step 2: Convert to fraction form
    23,118.77/34,679.70 = 8,124.06/x
  3. Step 3: Cross multiply
    23,118.77x = 34,679.70 × 8,124.06
  4. Step 4: Simplify right side
    23,118.77x = 281,739,963.58
  5. Step 5: Solve for x
    x = 281,739,963.58/23,118.77
  6. Step 6: Final answer
    x = 12,186.64

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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.