Home / 26,211.90-39,317.40-6,490.47

Finding the Fourth Proportional to 26,211.90, 39,317.40 and 6,490.47

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Solution

The fourth proportional to 26,211.90, 39,317.40 and 6,490.47 is: 9,735.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,211.90 : 39,317.40 = 6,490.47 : x
  2. Step 2: Convert to fraction form
    26,211.90/39,317.40 = 6,490.47/x
  3. Step 3: Cross multiply
    26,211.90x = 39,317.40 × 6,490.47
  4. Step 4: Simplify right side
    26,211.90x = 255,188,405.18
  5. Step 5: Solve for x
    x = 255,188,405.18/26,211.90
  6. Step 6: Final answer
    x = 9,735.59

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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.