Home / 13,945.34-19,225.95-11,947.34

Finding the Fourth Proportional to 13,945.34, 19,225.95 and 11,947.34

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Solution

The fourth proportional to 13,945.34, 19,225.95 and 11,947.34 is: 16,471.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.34 : 19,225.95 = 11,947.34 : x
  2. Step 2: Convert to fraction form
    13,945.34/19,225.95 = 11,947.34/x
  3. Step 3: Cross multiply
    13,945.34x = 19,225.95 × 11,947.34
  4. Step 4: Simplify right side
    13,945.34x = 229,698,961.47
  5. Step 5: Solve for x
    x = 229,698,961.47/13,945.34
  6. Step 6: Final answer
    x = 16,471.38

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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.