Home / 10,988.07-16,486.43-4,827.75

Finding the Fourth Proportional to 10,988.07, 16,486.43 and 4,827.75

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Solution

The fourth proportional to 10,988.07, 16,486.43 and 4,827.75 is: 7,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.07 : 16,486.43 = 4,827.75 : x
  2. Step 2: Convert to fraction form
    10,988.07/16,486.43 = 4,827.75/x
  3. Step 3: Cross multiply
    10,988.07x = 16,486.43 × 4,827.75
  4. Step 4: Simplify right side
    10,988.07x = 79,592,362.43
  5. Step 5: Solve for x
    x = 79,592,362.43/10,988.07
  6. Step 6: Final answer
    x = 7,243.53

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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.