Home / 11,420.19-17,091.36-9,573.39

Finding the Fourth Proportional to 11,420.19, 17,091.36 and 9,573.39

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Solution

The fourth proportional to 11,420.19, 17,091.36 and 9,573.39 is: 14,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,420.19 : 17,091.36 = 9,573.39 : x
  2. Step 2: Convert to fraction form
    11,420.19/17,091.36 = 9,573.39/x
  3. Step 3: Cross multiply
    11,420.19x = 17,091.36 × 9,573.39
  4. Step 4: Simplify right side
    11,420.19x = 163,622,254.91
  5. Step 5: Solve for x
    x = 163,622,254.91/11,420.19
  6. Step 6: Final answer
    x = 14,327.45

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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.