Home / 19,113.77-28,659.30-7,268.41

Finding the Fourth Proportional to 19,113.77, 28,659.30 and 7,268.41

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Solution

The fourth proportional to 19,113.77, 28,659.30 and 7,268.41 is: 10,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.77 : 28,659.30 = 7,268.41 : x
  2. Step 2: Convert to fraction form
    19,113.77/28,659.30 = 7,268.41/x
  3. Step 3: Cross multiply
    19,113.77x = 28,659.30 × 7,268.41
  4. Step 4: Simplify right side
    19,113.77x = 208,307,542.71
  5. Step 5: Solve for x
    x = 208,307,542.71/19,113.77
  6. Step 6: Final answer
    x = 10,898.30

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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.