Home / 11,699.89-17,547.25-3,378.09

Finding the Fourth Proportional to 11,699.89, 17,547.25 and 3,378.09

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Solution

The fourth proportional to 11,699.89, 17,547.25 and 3,378.09 is: 5,066.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.89 : 17,547.25 = 3,378.09 : x
  2. Step 2: Convert to fraction form
    11,699.89/17,547.25 = 3,378.09/x
  3. Step 3: Cross multiply
    11,699.89x = 17,547.25 × 3,378.09
  4. Step 4: Simplify right side
    11,699.89x = 59,276,225.18
  5. Step 5: Solve for x
    x = 59,276,225.18/11,699.89
  6. Step 6: Final answer
    x = 5,066.39

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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.