Home / 19,427.30-26,795.33-13,379.46

Finding the Fourth Proportional to 19,427.30, 26,795.33 and 13,379.46

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Solution

The fourth proportional to 19,427.30, 26,795.33 and 13,379.46 is: 18,453.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.30 : 26,795.33 = 13,379.46 : x
  2. Step 2: Convert to fraction form
    19,427.30/26,795.33 = 13,379.46/x
  3. Step 3: Cross multiply
    19,427.30x = 26,795.33 × 13,379.46
  4. Step 4: Simplify right side
    19,427.30x = 358,507,079.51
  5. Step 5: Solve for x
    x = 358,507,079.51/19,427.30
  6. Step 6: Final answer
    x = 18,453.78

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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.