Home / 14,886.58-20,542.56-8,172.17

Finding the Fourth Proportional to 14,886.58, 20,542.56 and 8,172.17

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Solution

The fourth proportional to 14,886.58, 20,542.56 and 8,172.17 is: 11,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,886.58 : 20,542.56 = 8,172.17 : x
  2. Step 2: Convert to fraction form
    14,886.58/20,542.56 = 8,172.17/x
  3. Step 3: Cross multiply
    14,886.58x = 20,542.56 × 8,172.17
  4. Step 4: Simplify right side
    14,886.58x = 167,877,198.57
  5. Step 5: Solve for x
    x = 167,877,198.57/14,886.58
  6. Step 6: Final answer
    x = 11,277.08

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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.