Home / 19,399.36-26,771.76-10,902.96

Finding the Fourth Proportional to 19,399.36, 26,771.76 and 10,902.96

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Solution

The fourth proportional to 19,399.36, 26,771.76 and 10,902.96 is: 15,046.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399.36 : 26,771.76 = 10,902.96 : x
  2. Step 2: Convert to fraction form
    19,399.36/26,771.76 = 10,902.96/x
  3. Step 3: Cross multiply
    19,399.36x = 26,771.76 × 10,902.96
  4. Step 4: Simplify right side
    19,399.36x = 291,891,428.41
  5. Step 5: Solve for x
    x = 291,891,428.41/19,399.36
  6. Step 6: Final answer
    x = 15,046.45

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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.