Home / 16,581.78-22,874.70-12,319.26

Finding the Fourth Proportional to 16,581.78, 22,874.70 and 12,319.26

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Solution

The fourth proportional to 16,581.78, 22,874.70 and 12,319.26 is: 16,994.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,581.78 : 22,874.70 = 12,319.26 : x
  2. Step 2: Convert to fraction form
    16,581.78/22,874.70 = 12,319.26/x
  3. Step 3: Cross multiply
    16,581.78x = 22,874.70 × 12,319.26
  4. Step 4: Simplify right side
    16,581.78x = 281,799,376.72
  5. Step 5: Solve for x
    x = 281,799,376.72/16,581.78
  6. Step 6: Final answer
    x = 16,994.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.