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Finding the Fourth Proportional to 9,993.96, 14,990.93 and 2,973.95

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Solution

The fourth proportional to 9,993.96, 14,990.93 and 2,973.95 is: 4,460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.96 : 14,990.93 = 2,973.95 : x
  2. Step 2: Convert to fraction form
    9,993.96/14,990.93 = 2,973.95/x
  3. Step 3: Cross multiply
    9,993.96x = 14,990.93 × 2,973.95
  4. Step 4: Simplify right side
    9,993.96x = 44,582,253.82
  5. Step 5: Solve for x
    x = 44,582,253.82/9,993.96
  6. Step 6: Final answer
    x = 4,460.92

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Similar ratio
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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.