Home / 19,186.52-28,779.54-5,335.40

Finding the Fourth Proportional to 19,186.52, 28,779.54 and 5,335.40

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Solution

The fourth proportional to 19,186.52, 28,779.54 and 5,335.40 is: 8,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.52 : 28,779.54 = 5,335.40 : x
  2. Step 2: Convert to fraction form
    19,186.52/28,779.54 = 5,335.40/x
  3. Step 3: Cross multiply
    19,186.52x = 28,779.54 × 5,335.40
  4. Step 4: Simplify right side
    19,186.52x = 153,550,357.72
  5. Step 5: Solve for x
    x = 153,550,357.72/19,186.52
  6. Step 6: Final answer
    x = 8,003.03

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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.