Home / 19,434.96-26,828.37-13,150.98

Finding the Fourth Proportional to 19,434.96, 26,828.37 and 13,150.98

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Solution

The fourth proportional to 19,434.96, 26,828.37 and 13,150.98 is: 18,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.96 : 26,828.37 = 13,150.98 : x
  2. Step 2: Convert to fraction form
    19,434.96/26,828.37 = 13,150.98/x
  3. Step 3: Cross multiply
    19,434.96x = 26,828.37 × 13,150.98
  4. Step 4: Simplify right side
    19,434.96x = 352,819,357.30
  5. Step 5: Solve for x
    x = 352,819,357.30/19,434.96
  6. Step 6: Final answer
    x = 18,153.85

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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.