Home / 14,495.44-20,001.80-9,180.88

Finding the Fourth Proportional to 14,495.44, 20,001.80 and 9,180.88

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Solution

The fourth proportional to 14,495.44, 20,001.80 and 9,180.88 is: 12,668.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.44 : 20,001.80 = 9,180.88 : x
  2. Step 2: Convert to fraction form
    14,495.44/20,001.80 = 9,180.88/x
  3. Step 3: Cross multiply
    14,495.44x = 20,001.80 × 9,180.88
  4. Step 4: Simplify right side
    14,495.44x = 183,634,125.58
  5. Step 5: Solve for x
    x = 183,634,125.58/14,495.44
  6. Step 6: Final answer
    x = 12,668.41

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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.