Home / 14,557.48-21,858.54-8,739.88

Finding the Fourth Proportional to 14,557.48, 21,858.54 and 8,739.88

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Solution

The fourth proportional to 14,557.48, 21,858.54 and 8,739.88 is: 13,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,557.48 : 21,858.54 = 8,739.88 : x
  2. Step 2: Convert to fraction form
    14,557.48/21,858.54 = 8,739.88/x
  3. Step 3: Cross multiply
    14,557.48x = 21,858.54 × 8,739.88
  4. Step 4: Simplify right side
    14,557.48x = 191,041,016.58
  5. Step 5: Solve for x
    x = 191,041,016.58/14,557.48
  6. Step 6: Final answer
    x = 13,123.22

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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.