Home / 13,933.56-19,209.32-9,947.74

Finding the Fourth Proportional to 13,933.56, 19,209.32 and 9,947.74

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Solution

The fourth proportional to 13,933.56, 19,209.32 and 9,947.74 is: 13,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.56 : 19,209.32 = 9,947.74 : x
  2. Step 2: Convert to fraction form
    13,933.56/19,209.32 = 9,947.74/x
  3. Step 3: Cross multiply
    13,933.56x = 19,209.32 × 9,947.74
  4. Step 4: Simplify right side
    13,933.56x = 191,089,320.94
  5. Step 5: Solve for x
    x = 191,089,320.94/13,933.56
  6. Step 6: Final answer
    x = 13,714.32

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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.