Home / 19,278.49-28,894.60-9,922.93

Finding the Fourth Proportional to 19,278.49, 28,894.60 and 9,922.93

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Solution

The fourth proportional to 19,278.49, 28,894.60 and 9,922.93 is: 14,872.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.49 : 28,894.60 = 9,922.93 : x
  2. Step 2: Convert to fraction form
    19,278.49/28,894.60 = 9,922.93/x
  3. Step 3: Cross multiply
    19,278.49x = 28,894.60 × 9,922.93
  4. Step 4: Simplify right side
    19,278.49x = 286,719,093.18
  5. Step 5: Solve for x
    x = 286,719,093.18/19,278.49
  6. Step 6: Final answer
    x = 14,872.49

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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.