Home / 17,905.38-26,858.10-6,210.38

Finding the Fourth Proportional to 17,905.38, 26,858.10 and 6,210.38

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Solution

The fourth proportional to 17,905.38, 26,858.10 and 6,210.38 is: 9,315.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.38 : 26,858.10 = 6,210.38 : x
  2. Step 2: Convert to fraction form
    17,905.38/26,858.10 = 6,210.38/x
  3. Step 3: Cross multiply
    17,905.38x = 26,858.10 × 6,210.38
  4. Step 4: Simplify right side
    17,905.38x = 166,798,872.79
  5. Step 5: Solve for x
    x = 166,798,872.79/17,905.38
  6. Step 6: Final answer
    x = 9,315.57

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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.