Home / 9,986.58-14,975.01-4,788

Finding the Fourth Proportional to 9,986.58, 14,975.01 and 4,788

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Solution

The fourth proportional to 9,986.58, 14,975.01 and 4,788 is: 7,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.58 : 14,975.01 = 4,788 : x
  2. Step 2: Convert to fraction form
    9,986.58/14,975.01 = 4,788/x
  3. Step 3: Cross multiply
    9,986.58x = 14,975.01 × 4,788
  4. Step 4: Simplify right side
    9,986.58x = 71,700,347.88
  5. Step 5: Solve for x
    x = 71,700,347.88/9,986.58
  6. Step 6: Final answer
    x = 7,179.67

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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.