Home / 17,783.15-26,678.69-6,689.93

Finding the Fourth Proportional to 17,783.15, 26,678.69 and 6,689.93

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Solution

The fourth proportional to 17,783.15, 26,678.69 and 6,689.93 is: 10,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,783.15 : 26,678.69 = 6,689.93 : x
  2. Step 2: Convert to fraction form
    17,783.15/26,678.69 = 6,689.93/x
  3. Step 3: Cross multiply
    17,783.15x = 26,678.69 × 6,689.93
  4. Step 4: Simplify right side
    17,783.15x = 178,478,401.75
  5. Step 5: Solve for x
    x = 178,478,401.75/17,783.15
  6. Step 6: Final answer
    x = 10,036.38

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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.