Home / 14,740.86-22,111.32-12,138.34

Finding the Fourth Proportional to 14,740.86, 22,111.32 and 12,138.34

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Solution

The fourth proportional to 14,740.86, 22,111.32 and 12,138.34 is: 18,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740.86 : 22,111.32 = 12,138.34 : x
  2. Step 2: Convert to fraction form
    14,740.86/22,111.32 = 12,138.34/x
  3. Step 3: Cross multiply
    14,740.86x = 22,111.32 × 12,138.34
  4. Step 4: Simplify right side
    14,740.86x = 268,394,720.01
  5. Step 5: Solve for x
    x = 268,394,720.01/14,740.86
  6. Step 6: Final answer
    x = 18,207.53

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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.