Home / 14,455.37-19,948.10-8,081.78

Finding the Fourth Proportional to 14,455.37, 19,948.10 and 8,081.78

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Solution

The fourth proportional to 14,455.37, 19,948.10 and 8,081.78 is: 11,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.37 : 19,948.10 = 8,081.78 : x
  2. Step 2: Convert to fraction form
    14,455.37/19,948.10 = 8,081.78/x
  3. Step 3: Cross multiply
    14,455.37x = 19,948.10 × 8,081.78
  4. Step 4: Simplify right side
    14,455.37x = 161,216,015.47
  5. Step 5: Solve for x
    x = 161,216,015.47/14,455.37
  6. Step 6: Final answer
    x = 11,152.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.