Home / 18,639.86-27,969.50-7,554.74

Finding the Fourth Proportional to 18,639.86, 27,969.50 and 7,554.74

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Solution

The fourth proportional to 18,639.86, 27,969.50 and 7,554.74 is: 11,336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,639.86 : 27,969.50 = 7,554.74 : x
  2. Step 2: Convert to fraction form
    18,639.86/27,969.50 = 7,554.74/x
  3. Step 3: Cross multiply
    18,639.86x = 27,969.50 × 7,554.74
  4. Step 4: Simplify right side
    18,639.86x = 211,302,179.47
  5. Step 5: Solve for x
    x = 211,302,179.47/18,639.86
  6. Step 6: Final answer
    x = 11,336.04

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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.