Home / 20,498.07-28,277.67-11,994.93

Finding the Fourth Proportional to 20,498.07, 28,277.67 and 11,994.93

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Solution

The fourth proportional to 20,498.07, 28,277.67 and 11,994.93 is: 16,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,498.07 : 28,277.67 = 11,994.93 : x
  2. Step 2: Convert to fraction form
    20,498.07/28,277.67 = 11,994.93/x
  3. Step 3: Cross multiply
    20,498.07x = 28,277.67 × 11,994.93
  4. Step 4: Simplify right side
    20,498.07x = 339,188,635.10
  5. Step 5: Solve for x
    x = 339,188,635.10/20,498.07
  6. Step 6: Final answer
    x = 16,547.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.