Home / 9,930.36-14,901.48-3,690.93

Finding the Fourth Proportional to 9,930.36, 14,901.48 and 3,690.93

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Solution

The fourth proportional to 9,930.36, 14,901.48 and 3,690.93 is: 5,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.36 : 14,901.48 = 3,690.93 : x
  2. Step 2: Convert to fraction form
    9,930.36/14,901.48 = 3,690.93/x
  3. Step 3: Cross multiply
    9,930.36x = 14,901.48 × 3,690.93
  4. Step 4: Simplify right side
    9,930.36x = 55,000,319.58
  5. Step 5: Solve for x
    x = 55,000,319.58/9,930.36
  6. Step 6: Final answer
    x = 5,538.60

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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.