Home / 19,135.84-28,677.03-9,272.50

Finding the Fourth Proportional to 19,135.84, 28,677.03 and 9,272.50

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Solution

The fourth proportional to 19,135.84, 28,677.03 and 9,272.50 is: 13,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.84 : 28,677.03 = 9,272.50 : x
  2. Step 2: Convert to fraction form
    19,135.84/28,677.03 = 9,272.50/x
  3. Step 3: Cross multiply
    19,135.84x = 28,677.03 × 9,272.50
  4. Step 4: Simplify right side
    19,135.84x = 265,907,760.68
  5. Step 5: Solve for x
    x = 265,907,760.68/19,135.84
  6. Step 6: Final answer
    x = 13,895.80

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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.