Home / 19,186.04-28,779.60-5,335.04

Finding the Fourth Proportional to 19,186.04, 28,779.60 and 5,335.04

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Solution

The fourth proportional to 19,186.04, 28,779.60 and 5,335.04 is: 8,002.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.04 : 28,779.60 = 5,335.04 : x
  2. Step 2: Convert to fraction form
    19,186.04/28,779.60 = 5,335.04/x
  3. Step 3: Cross multiply
    19,186.04x = 28,779.60 × 5,335.04
  4. Step 4: Simplify right side
    19,186.04x = 153,540,317.18
  5. Step 5: Solve for x
    x = 153,540,317.18/19,186.04
  6. Step 6: Final answer
    x = 8,002.71

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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.