Home / 23,401.25-35,133.01-12,315.72

Finding the Fourth Proportional to 23,401.25, 35,133.01 and 12,315.72

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Solution

The fourth proportional to 23,401.25, 35,133.01 and 12,315.72 is: 18,489.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,401.25 : 35,133.01 = 12,315.72 : x
  2. Step 2: Convert to fraction form
    23,401.25/35,133.01 = 12,315.72/x
  3. Step 3: Cross multiply
    23,401.25x = 35,133.01 × 12,315.72
  4. Step 4: Simplify right side
    23,401.25x = 432,688,418.28
  5. Step 5: Solve for x
    x = 432,688,418.28/23,401.25
  6. Step 6: Final answer
    x = 18,489.97

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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.