Home / 19,213.58-26,515.96-10,830.62

Finding the Fourth Proportional to 19,213.58, 26,515.96 and 10,830.62

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Solution

The fourth proportional to 19,213.58, 26,515.96 and 10,830.62 is: 14,946.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213.58 : 26,515.96 = 10,830.62 : x
  2. Step 2: Convert to fraction form
    19,213.58/26,515.96 = 10,830.62/x
  3. Step 3: Cross multiply
    19,213.58x = 26,515.96 × 10,830.62
  4. Step 4: Simplify right side
    19,213.58x = 287,184,286.70
  5. Step 5: Solve for x
    x = 287,184,286.70/19,213.58
  6. Step 6: Final answer
    x = 14,946.94

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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.