Home / 19,160.55-26,440.88-10,662.39

Finding the Fourth Proportional to 19,160.55, 26,440.88 and 10,662.39

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Solution

The fourth proportional to 19,160.55, 26,440.88 and 10,662.39 is: 14,713.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160.55 : 26,440.88 = 10,662.39 : x
  2. Step 2: Convert to fraction form
    19,160.55/26,440.88 = 10,662.39/x
  3. Step 3: Cross multiply
    19,160.55x = 26,440.88 × 10,662.39
  4. Step 4: Simplify right side
    19,160.55x = 281,922,974.50
  5. Step 5: Solve for x
    x = 281,922,974.50/19,160.55
  6. Step 6: Final answer
    x = 14,713.72

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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.