Home / 19,073.16-28,587.58-7,219.39

Finding the Fourth Proportional to 19,073.16, 28,587.58 and 7,219.39

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Solution

The fourth proportional to 19,073.16, 28,587.58 and 7,219.39 is: 10,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,073.16 : 28,587.58 = 7,219.39 : x
  2. Step 2: Convert to fraction form
    19,073.16/28,587.58 = 7,219.39/x
  3. Step 3: Cross multiply
    19,073.16x = 28,587.58 × 7,219.39
  4. Step 4: Simplify right side
    19,073.16x = 206,384,889.18
  5. Step 5: Solve for x
    x = 206,384,889.18/19,073.16
  6. Step 6: Final answer
    x = 10,820.70

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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.