Home / 12,656.52-18,985.08-4,336.50

Finding the Fourth Proportional to 12,656.52, 18,985.08 and 4,336.50

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Solution

The fourth proportional to 12,656.52, 18,985.08 and 4,336.50 is: 6,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656.52 : 18,985.08 = 4,336.50 : x
  2. Step 2: Convert to fraction form
    12,656.52/18,985.08 = 4,336.50/x
  3. Step 3: Cross multiply
    12,656.52x = 18,985.08 × 4,336.50
  4. Step 4: Simplify right side
    12,656.52x = 82,328,799.42
  5. Step 5: Solve for x
    x = 82,328,799.42/12,656.52
  6. Step 6: Final answer
    x = 6,504.85

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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.