Home / 14,147.44-19,512.40-9,897.08

Finding the Fourth Proportional to 14,147.44, 19,512.40 and 9,897.08

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Solution

The fourth proportional to 14,147.44, 19,512.40 and 9,897.08 is: 13,650.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.44 : 19,512.40 = 9,897.08 : x
  2. Step 2: Convert to fraction form
    14,147.44/19,512.40 = 9,897.08/x
  3. Step 3: Cross multiply
    14,147.44x = 19,512.40 × 9,897.08
  4. Step 4: Simplify right side
    14,147.44x = 193,115,783.79
  5. Step 5: Solve for x
    x = 193,115,783.79/14,147.44
  6. Step 6: Final answer
    x = 13,650.23

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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.