Home / 10,427.26-14,389.55-5,647.09

Finding the Fourth Proportional to 10,427.26, 14,389.55 and 5,647.09

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Solution

The fourth proportional to 10,427.26, 14,389.55 and 5,647.09 is: 7,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.26 : 14,389.55 = 5,647.09 : x
  2. Step 2: Convert to fraction form
    10,427.26/14,389.55 = 5,647.09/x
  3. Step 3: Cross multiply
    10,427.26x = 14,389.55 × 5,647.09
  4. Step 4: Simplify right side
    10,427.26x = 81,259,114.24
  5. Step 5: Solve for x
    x = 81,259,114.24/10,427.26
  6. Step 6: Final answer
    x = 7,792.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.