Home / 13,554.15-20,335.56-6,534.79

Finding the Fourth Proportional to 13,554.15, 20,335.56 and 6,534.79

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Solution

The fourth proportional to 13,554.15, 20,335.56 and 6,534.79 is: 9,804.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.15 : 20,335.56 = 6,534.79 : x
  2. Step 2: Convert to fraction form
    13,554.15/20,335.56 = 6,534.79/x
  3. Step 3: Cross multiply
    13,554.15x = 20,335.56 × 6,534.79
  4. Step 4: Simplify right side
    13,554.15x = 132,888,653.18
  5. Step 5: Solve for x
    x = 132,888,653.18/13,554.15
  6. Step 6: Final answer
    x = 9,804.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.