Home / 16,977.69-23,432.88-12,954.97

Finding the Fourth Proportional to 16,977.69, 23,432.88 and 12,954.97

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Solution

The fourth proportional to 16,977.69, 23,432.88 and 12,954.97 is: 17,880.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.69 : 23,432.88 = 12,954.97 : x
  2. Step 2: Convert to fraction form
    16,977.69/23,432.88 = 12,954.97/x
  3. Step 3: Cross multiply
    16,977.69x = 23,432.88 × 12,954.97
  4. Step 4: Simplify right side
    16,977.69x = 303,572,257.41
  5. Step 5: Solve for x
    x = 303,572,257.41/16,977.69
  6. Step 6: Final answer
    x = 17,880.66

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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.