Home / 19,350.79-26,709.61-11,397.60

Finding the Fourth Proportional to 19,350.79, 26,709.61 and 11,397.60

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Solution

The fourth proportional to 19,350.79, 26,709.61 and 11,397.60 is: 15,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,350.79 : 26,709.61 = 11,397.60 : x
  2. Step 2: Convert to fraction form
    19,350.79/26,709.61 = 11,397.60/x
  3. Step 3: Cross multiply
    19,350.79x = 26,709.61 × 11,397.60
  4. Step 4: Simplify right side
    19,350.79x = 304,425,450.94
  5. Step 5: Solve for x
    x = 304,425,450.94/19,350.79
  6. Step 6: Final answer
    x = 15,731.94

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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.