Home / 18,877.45-28,292.60-9,994.82

Finding the Fourth Proportional to 18,877.45, 28,292.60 and 9,994.82

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Solution

The fourth proportional to 18,877.45, 28,292.60 and 9,994.82 is: 14,979.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,877.45 : 28,292.60 = 9,994.82 : x
  2. Step 2: Convert to fraction form
    18,877.45/28,292.60 = 9,994.82/x
  3. Step 3: Cross multiply
    18,877.45x = 28,292.60 × 9,994.82
  4. Step 4: Simplify right side
    18,877.45x = 282,779,444.33
  5. Step 5: Solve for x
    x = 282,779,444.33/18,877.45
  6. Step 6: Final answer
    x = 14,979.75

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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.