Home / 12,557.00-18,838.37-5,539.01

Finding the Fourth Proportional to 12,557.00, 18,838.37 and 5,539.01

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Solution

The fourth proportional to 12,557.00, 18,838.37 and 5,539.01 is: 8,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.00 : 18,838.37 = 5,539.01 : x
  2. Step 2: Convert to fraction form
    12,557.00/18,838.37 = 5,539.01/x
  3. Step 3: Cross multiply
    12,557.00x = 18,838.37 × 5,539.01
  4. Step 4: Simplify right side
    12,557.00x = 104,345,839.47
  5. Step 5: Solve for x
    x = 104,345,839.47/12,557.00
  6. Step 6: Final answer
    x = 8,309.77

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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.