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Finding the Fourth Proportional to 19,095.19, 28,653.99 and 8,001.04

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Solution

The fourth proportional to 19,095.19, 28,653.99 and 8,001.04 is: 12,006.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095.19 : 28,653.99 = 8,001.04 : x
  2. Step 2: Convert to fraction form
    19,095.19/28,653.99 = 8,001.04/x
  3. Step 3: Cross multiply
    19,095.19x = 28,653.99 × 8,001.04
  4. Step 4: Simplify right side
    19,095.19x = 229,261,720.15
  5. Step 5: Solve for x
    x = 229,261,720.15/19,095.19
  6. Step 6: Final answer
    x = 12,006.25

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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.