Home / 14,249.42-19,664.26-7,789.19

Finding the Fourth Proportional to 14,249.42, 19,664.26 and 7,789.19

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Solution

The fourth proportional to 14,249.42, 19,664.26 and 7,789.19 is: 10,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.42 : 19,664.26 = 7,789.19 : x
  2. Step 2: Convert to fraction form
    14,249.42/19,664.26 = 7,789.19/x
  3. Step 3: Cross multiply
    14,249.42x = 19,664.26 × 7,789.19
  4. Step 4: Simplify right side
    14,249.42x = 153,168,681.69
  5. Step 5: Solve for x
    x = 153,168,681.69/14,249.42
  6. Step 6: Final answer
    x = 10,749.12

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Half scale
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Double scale
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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.