Home / 17,783.98-26,666.70-8,889.64

Finding the Fourth Proportional to 17,783.98, 26,666.70 and 8,889.64

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Solution

The fourth proportional to 17,783.98, 26,666.70 and 8,889.64 is: 13,329.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,783.98 : 26,666.70 = 8,889.64 : x
  2. Step 2: Convert to fraction form
    17,783.98/26,666.70 = 8,889.64/x
  3. Step 3: Cross multiply
    17,783.98x = 26,666.70 × 8,889.64
  4. Step 4: Simplify right side
    17,783.98x = 237,057,362.99
  5. Step 5: Solve for x
    x = 237,057,362.99/17,783.98
  6. Step 6: Final answer
    x = 13,329.83

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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.