Home / 14,955.85-20,639.55-8,583.61

Finding the Fourth Proportional to 14,955.85, 20,639.55 and 8,583.61

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Solution

The fourth proportional to 14,955.85, 20,639.55 and 8,583.61 is: 11,845.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,955.85 : 20,639.55 = 8,583.61 : x
  2. Step 2: Convert to fraction form
    14,955.85/20,639.55 = 8,583.61/x
  3. Step 3: Cross multiply
    14,955.85x = 20,639.55 × 8,583.61
  4. Step 4: Simplify right side
    14,955.85x = 177,161,842.92
  5. Step 5: Solve for x
    x = 177,161,842.92/14,955.85
  6. Step 6: Final answer
    x = 11,845.65

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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.