Home / 19,091.76-28,641.76-5,763.65

Finding the Fourth Proportional to 19,091.76, 28,641.76 and 5,763.65

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Solution

The fourth proportional to 19,091.76, 28,641.76 and 5,763.65 is: 8,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.76 : 28,641.76 = 5,763.65 : x
  2. Step 2: Convert to fraction form
    19,091.76/28,641.76 = 5,763.65/x
  3. Step 3: Cross multiply
    19,091.76x = 28,641.76 × 5,763.65
  4. Step 4: Simplify right side
    19,091.76x = 165,081,080.02
  5. Step 5: Solve for x
    x = 165,081,080.02/19,091.76
  6. Step 6: Final answer
    x = 8,646.72

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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.