Home / 23,311.72-34,967.94-12,989.08

Finding the Fourth Proportional to 23,311.72, 34,967.94 and 12,989.08

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Solution

The fourth proportional to 23,311.72, 34,967.94 and 12,989.08 is: 19,483.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,311.72 : 34,967.94 = 12,989.08 : x
  2. Step 2: Convert to fraction form
    23,311.72/34,967.94 = 12,989.08/x
  3. Step 3: Cross multiply
    23,311.72x = 34,967.94 × 12,989.08
  4. Step 4: Simplify right side
    23,311.72x = 454,201,370.10
  5. Step 5: Solve for x
    x = 454,201,370.10/23,311.72
  6. Step 6: Final answer
    x = 19,483.82

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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.