Home / 16,984.39-23,433.18-9,905.80

Finding the Fourth Proportional to 16,984.39, 23,433.18 and 9,905.80

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Solution

The fourth proportional to 16,984.39, 23,433.18 and 9,905.80 is: 13,666.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,984.39 : 23,433.18 = 9,905.80 : x
  2. Step 2: Convert to fraction form
    16,984.39/23,433.18 = 9,905.80/x
  3. Step 3: Cross multiply
    16,984.39x = 23,433.18 × 9,905.80
  4. Step 4: Simplify right side
    16,984.39x = 232,124,394.44
  5. Step 5: Solve for x
    x = 232,124,394.44/16,984.39
  6. Step 6: Final answer
    x = 13,666.93

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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.