Home / 14,259.44-19,662.93-9,789.72

Finding the Fourth Proportional to 14,259.44, 19,662.93 and 9,789.72

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Solution

The fourth proportional to 14,259.44, 19,662.93 and 9,789.72 is: 13,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.44 : 19,662.93 = 9,789.72 : x
  2. Step 2: Convert to fraction form
    14,259.44/19,662.93 = 9,789.72/x
  3. Step 3: Cross multiply
    14,259.44x = 19,662.93 × 9,789.72
  4. Step 4: Simplify right side
    14,259.44x = 192,494,579.08
  5. Step 5: Solve for x
    x = 192,494,579.08/14,259.44
  6. Step 6: Final answer
    x = 13,499.45

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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.