Home / 19,004.04-28,508.34-7,918.24

Finding the Fourth Proportional to 19,004.04, 28,508.34 and 7,918.24

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Solution

The fourth proportional to 19,004.04, 28,508.34 and 7,918.24 is: 11,878.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004.04 : 28,508.34 = 7,918.24 : x
  2. Step 2: Convert to fraction form
    19,004.04/28,508.34 = 7,918.24/x
  3. Step 3: Cross multiply
    19,004.04x = 28,508.34 × 7,918.24
  4. Step 4: Simplify right side
    19,004.04x = 225,735,878.12
  5. Step 5: Solve for x
    x = 225,735,878.12/19,004.04
  6. Step 6: Final answer
    x = 11,878.31

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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.