Home / 19,148.22-28,673.10-11,730.19

Finding the Fourth Proportional to 19,148.22, 28,673.10 and 11,730.19

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Solution

The fourth proportional to 19,148.22, 28,673.10 and 11,730.19 is: 17,565.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.22 : 28,673.10 = 11,730.19 : x
  2. Step 2: Convert to fraction form
    19,148.22/28,673.10 = 11,730.19/x
  3. Step 3: Cross multiply
    19,148.22x = 28,673.10 × 11,730.19
  4. Step 4: Simplify right side
    19,148.22x = 336,340,910.89
  5. Step 5: Solve for x
    x = 336,340,910.89/19,148.22
  6. Step 6: Final answer
    x = 17,565.13

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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.