Home / 19,154.94-28,703.13-8,055.54

Finding the Fourth Proportional to 19,154.94, 28,703.13 and 8,055.54

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Solution

The fourth proportional to 19,154.94, 28,703.13 and 8,055.54 is: 12,071.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.94 : 28,703.13 = 8,055.54 : x
  2. Step 2: Convert to fraction form
    19,154.94/28,703.13 = 8,055.54/x
  3. Step 3: Cross multiply
    19,154.94x = 28,703.13 × 8,055.54
  4. Step 4: Simplify right side
    19,154.94x = 231,219,211.84
  5. Step 5: Solve for x
    x = 231,219,211.84/19,154.94
  6. Step 6: Final answer
    x = 12,071.00

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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.