Home / 14,427.60-19,912.28-10,447.26

Finding the Fourth Proportional to 14,427.60, 19,912.28 and 10,447.26

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Solution

The fourth proportional to 14,427.60, 19,912.28 and 10,447.26 is: 14,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.60 : 19,912.28 = 10,447.26 : x
  2. Step 2: Convert to fraction form
    14,427.60/19,912.28 = 10,447.26/x
  3. Step 3: Cross multiply
    14,427.60x = 19,912.28 × 10,447.26
  4. Step 4: Simplify right side
    14,427.60x = 208,028,714.12
  5. Step 5: Solve for x
    x = 208,028,714.12/14,427.60
  6. Step 6: Final answer
    x = 14,418.80

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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.