Home / 14,027.48-19,356.58-7,739.45

Finding the Fourth Proportional to 14,027.48, 19,356.58 and 7,739.45

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Solution

The fourth proportional to 14,027.48, 19,356.58 and 7,739.45 is: 10,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.48 : 19,356.58 = 7,739.45 : x
  2. Step 2: Convert to fraction form
    14,027.48/19,356.58 = 7,739.45/x
  3. Step 3: Cross multiply
    14,027.48x = 19,356.58 × 7,739.45
  4. Step 4: Simplify right side
    14,027.48x = 149,809,283.08
  5. Step 5: Solve for x
    x = 149,809,283.08/14,027.48
  6. Step 6: Final answer
    x = 10,679.70

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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.