Home / 14,112.60-21,150.32-7,875.56

Finding the Fourth Proportional to 14,112.60, 21,150.32 and 7,875.56

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Solution

The fourth proportional to 14,112.60, 21,150.32 and 7,875.56 is: 11,802.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.60 : 21,150.32 = 7,875.56 : x
  2. Step 2: Convert to fraction form
    14,112.60/21,150.32 = 7,875.56/x
  3. Step 3: Cross multiply
    14,112.60x = 21,150.32 × 7,875.56
  4. Step 4: Simplify right side
    14,112.60x = 166,570,614.18
  5. Step 5: Solve for x
    x = 166,570,614.18/14,112.60
  6. Step 6: Final answer
    x = 11,802.97

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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.