Home / 14,100.48-21,158.40-7,944.96

Finding the Fourth Proportional to 14,100.48, 21,158.40 and 7,944.96

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Solution

The fourth proportional to 14,100.48, 21,158.40 and 7,944.96 is: 11,921.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.48 : 21,158.40 = 7,944.96 : x
  2. Step 2: Convert to fraction form
    14,100.48/21,158.40 = 7,944.96/x
  3. Step 3: Cross multiply
    14,100.48x = 21,158.40 × 7,944.96
  4. Step 4: Simplify right side
    14,100.48x = 168,102,641.66
  5. Step 5: Solve for x
    x = 168,102,641.66/14,100.48
  6. Step 6: Final answer
    x = 11,921.77

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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.