Home / 13,904.46-20,856.78-4,670.46

Finding the Fourth Proportional to 13,904.46, 20,856.78 and 4,670.46

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Solution

The fourth proportional to 13,904.46, 20,856.78 and 4,670.46 is: 7,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.46 : 20,856.78 = 4,670.46 : x
  2. Step 2: Convert to fraction form
    13,904.46/20,856.78 = 4,670.46/x
  3. Step 3: Cross multiply
    13,904.46x = 20,856.78 × 4,670.46
  4. Step 4: Simplify right side
    13,904.46x = 97,410,756.72
  5. Step 5: Solve for x
    x = 97,410,756.72/13,904.46
  6. Step 6: Final answer
    x = 7,005.72

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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.