Home / 16,943.85-23,390.78-11,281.95

Finding the Fourth Proportional to 16,943.85, 23,390.78 and 11,281.95

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Solution

The fourth proportional to 16,943.85, 23,390.78 and 11,281.95 is: 15,574.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.85 : 23,390.78 = 11,281.95 : x
  2. Step 2: Convert to fraction form
    16,943.85/23,390.78 = 11,281.95/x
  3. Step 3: Cross multiply
    16,943.85x = 23,390.78 × 11,281.95
  4. Step 4: Simplify right side
    16,943.85x = 263,893,554.01
  5. Step 5: Solve for x
    x = 263,893,554.01/16,943.85
  6. Step 6: Final answer
    x = 15,574.59

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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.