Home / 16,783.40-23,160.18-9,228.28

Finding the Fourth Proportional to 16,783.40, 23,160.18 and 9,228.28

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Solution

The fourth proportional to 16,783.40, 23,160.18 and 9,228.28 is: 12,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.40 : 23,160.18 = 9,228.28 : x
  2. Step 2: Convert to fraction form
    16,783.40/23,160.18 = 9,228.28/x
  3. Step 3: Cross multiply
    16,783.40x = 23,160.18 × 9,228.28
  4. Step 4: Simplify right side
    16,783.40x = 213,728,625.89
  5. Step 5: Solve for x
    x = 213,728,625.89/16,783.40
  6. Step 6: Final answer
    x = 12,734.52

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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.