Home / 11,389.09-17,089.77-5,459.60

Finding the Fourth Proportional to 11,389.09, 17,089.77 and 5,459.60

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Solution

The fourth proportional to 11,389.09, 17,089.77 and 5,459.60 is: 8,192.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.09 : 17,089.77 = 5,459.60 : x
  2. Step 2: Convert to fraction form
    11,389.09/17,089.77 = 5,459.60/x
  3. Step 3: Cross multiply
    11,389.09x = 17,089.77 × 5,459.60
  4. Step 4: Simplify right side
    11,389.09x = 93,303,308.29
  5. Step 5: Solve for x
    x = 93,303,308.29/11,389.09
  6. Step 6: Final answer
    x = 8,192.34

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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.