Home / 13,834.70-19,090.55-7,866.03

Finding the Fourth Proportional to 13,834.70, 19,090.55 and 7,866.03

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Solution

The fourth proportional to 13,834.70, 19,090.55 and 7,866.03 is: 10,854.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.70 : 19,090.55 = 7,866.03 : x
  2. Step 2: Convert to fraction form
    13,834.70/19,090.55 = 7,866.03/x
  3. Step 3: Cross multiply
    13,834.70x = 19,090.55 × 7,866.03
  4. Step 4: Simplify right side
    13,834.70x = 150,166,799.69
  5. Step 5: Solve for x
    x = 150,166,799.69/13,834.70
  6. Step 6: Final answer
    x = 10,854.36

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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.