Home / 9,988.35-14,986.05-4,441.20

Finding the Fourth Proportional to 9,988.35, 14,986.05 and 4,441.20

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Solution

The fourth proportional to 9,988.35, 14,986.05 and 4,441.20 is: 6,663.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.35 : 14,986.05 = 4,441.20 : x
  2. Step 2: Convert to fraction form
    9,988.35/14,986.05 = 4,441.20/x
  3. Step 3: Cross multiply
    9,988.35x = 14,986.05 × 4,441.20
  4. Step 4: Simplify right side
    9,988.35x = 66,556,045.26
  5. Step 5: Solve for x
    x = 66,556,045.26/9,988.35
  6. Step 6: Final answer
    x = 6,663.37

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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.