Home / 10,116-15,176.70-3,190.50

Finding the Fourth Proportional to 10,116, 15,176.70 and 3,190.50

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Solution

The fourth proportional to 10,116, 15,176.70 and 3,190.50 is: 4,786.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116 : 15,176.70 = 3,190.50 : x
  2. Step 2: Convert to fraction form
    10,116/15,176.70 = 3,190.50/x
  3. Step 3: Cross multiply
    10,116x = 15,176.70 × 3,190.50
  4. Step 4: Simplify right side
    10,116x = 48,421,261.35
  5. Step 5: Solve for x
    x = 48,421,261.35/10,116
  6. Step 6: Final answer
    x = 4,786.60

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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.