Home / 19,898.40-27,458.94-10,945.33

Finding the Fourth Proportional to 19,898.40, 27,458.94 and 10,945.33

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Solution

The fourth proportional to 19,898.40, 27,458.94 and 10,945.33 is: 15,104.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.40 : 27,458.94 = 10,945.33 : x
  2. Step 2: Convert to fraction form
    19,898.40/27,458.94 = 10,945.33/x
  3. Step 3: Cross multiply
    19,898.40x = 27,458.94 × 10,945.33
  4. Step 4: Simplify right side
    19,898.40x = 300,547,159.75
  5. Step 5: Solve for x
    x = 300,547,159.75/19,898.40
  6. Step 6: Final answer
    x = 15,104.09

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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.