Home / 11,563.40-17,341.59-4,988.36

Finding the Fourth Proportional to 11,563.40, 17,341.59 and 4,988.36

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Solution

The fourth proportional to 11,563.40, 17,341.59 and 4,988.36 is: 7,481.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,563.40 : 17,341.59 = 4,988.36 : x
  2. Step 2: Convert to fraction form
    11,563.40/17,341.59 = 4,988.36/x
  3. Step 3: Cross multiply
    11,563.40x = 17,341.59 × 4,988.36
  4. Step 4: Simplify right side
    11,563.40x = 86,506,093.89
  5. Step 5: Solve for x
    x = 86,506,093.89/11,563.40
  6. Step 6: Final answer
    x = 7,481.03

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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.