Home / 9,930.85-14,889.05-4,663.14

Finding the Fourth Proportional to 9,930.85, 14,889.05 and 4,663.14

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Solution

The fourth proportional to 9,930.85, 14,889.05 and 4,663.14 is: 6,991.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.85 : 14,889.05 = 4,663.14 : x
  2. Step 2: Convert to fraction form
    9,930.85/14,889.05 = 4,663.14/x
  3. Step 3: Cross multiply
    9,930.85x = 14,889.05 × 4,663.14
  4. Step 4: Simplify right side
    9,930.85x = 69,429,808.25
  5. Step 5: Solve for x
    x = 69,429,808.25/9,930.85
  6. Step 6: Final answer
    x = 6,991.33

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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.