Home / 13,320.55-19,958.78-11,946.97

Finding the Fourth Proportional to 13,320.55, 19,958.78 and 11,946.97

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Solution

The fourth proportional to 13,320.55, 19,958.78 and 11,946.97 is: 17,900.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320.55 : 19,958.78 = 11,946.97 : x
  2. Step 2: Convert to fraction form
    13,320.55/19,958.78 = 11,946.97/x
  3. Step 3: Cross multiply
    13,320.55x = 19,958.78 × 11,946.97
  4. Step 4: Simplify right side
    13,320.55x = 238,446,925.87
  5. Step 5: Solve for x
    x = 238,446,925.87/13,320.55
  6. Step 6: Final answer
    x = 17,900.69

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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.