Home / 19,115.26-28,643.73-8,714.86

Finding the Fourth Proportional to 19,115.26, 28,643.73 and 8,714.86

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Solution

The fourth proportional to 19,115.26, 28,643.73 and 8,714.86 is: 13,059.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.26 : 28,643.73 = 8,714.86 : x
  2. Step 2: Convert to fraction form
    19,115.26/28,643.73 = 8,714.86/x
  3. Step 3: Cross multiply
    19,115.26x = 28,643.73 × 8,714.86
  4. Step 4: Simplify right side
    19,115.26x = 249,626,096.83
  5. Step 5: Solve for x
    x = 249,626,096.83/19,115.26
  6. Step 6: Final answer
    x = 13,059.00

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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.