Home / 18,923.68-26,084.88-14,432.80

Finding the Fourth Proportional to 18,923.68, 26,084.88 and 14,432.80

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Solution

The fourth proportional to 18,923.68, 26,084.88 and 14,432.80 is: 19,894.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923.68 : 26,084.88 = 14,432.80 : x
  2. Step 2: Convert to fraction form
    18,923.68/26,084.88 = 14,432.80/x
  3. Step 3: Cross multiply
    18,923.68x = 26,084.88 × 14,432.80
  4. Step 4: Simplify right side
    18,923.68x = 376,477,856.06
  5. Step 5: Solve for x
    x = 376,477,856.06/18,923.68
  6. Step 6: Final answer
    x = 19,894.54

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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.