Home / 18,290.99-27,417.65-7,193.18

Finding the Fourth Proportional to 18,290.99, 27,417.65 and 7,193.18

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Solution

The fourth proportional to 18,290.99, 27,417.65 and 7,193.18 is: 10,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290.99 : 27,417.65 = 7,193.18 : x
  2. Step 2: Convert to fraction form
    18,290.99/27,417.65 = 7,193.18/x
  3. Step 3: Cross multiply
    18,290.99x = 27,417.65 × 7,193.18
  4. Step 4: Simplify right side
    18,290.99x = 197,219,918.57
  5. Step 5: Solve for x
    x = 197,219,918.57/18,290.99
  6. Step 6: Final answer
    x = 10,782.36

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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.