Home / 17,778.12-26,666.10-7,389.96

Finding the Fourth Proportional to 17,778.12, 26,666.10 and 7,389.96

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Solution

The fourth proportional to 17,778.12, 26,666.10 and 7,389.96 is: 11,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778.12 : 26,666.10 = 7,389.96 : x
  2. Step 2: Convert to fraction form
    17,778.12/26,666.10 = 7,389.96/x
  3. Step 3: Cross multiply
    17,778.12x = 26,666.10 × 7,389.96
  4. Step 4: Simplify right side
    17,778.12x = 197,061,412.36
  5. Step 5: Solve for x
    x = 197,061,412.36/17,778.12
  6. Step 6: Final answer
    x = 11,084.49

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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.