Home / 19,945.72-29,918.62-7,465.24

Finding the Fourth Proportional to 19,945.72, 29,918.62 and 7,465.24

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Solution

The fourth proportional to 19,945.72, 29,918.62 and 7,465.24 is: 11,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.72 : 29,918.62 = 7,465.24 : x
  2. Step 2: Convert to fraction form
    19,945.72/29,918.62 = 7,465.24/x
  3. Step 3: Cross multiply
    19,945.72x = 29,918.62 × 7,465.24
  4. Step 4: Simplify right side
    19,945.72x = 223,349,678.77
  5. Step 5: Solve for x
    x = 223,349,678.77/19,945.72
  6. Step 6: Final answer
    x = 11,197.87

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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.