Home / 12,830.83-19,248.77-4,511.72

Finding the Fourth Proportional to 12,830.83, 19,248.77 and 4,511.72

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Solution

The fourth proportional to 12,830.83, 19,248.77 and 4,511.72 is: 6,768.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830.83 : 19,248.77 = 4,511.72 : x
  2. Step 2: Convert to fraction form
    12,830.83/19,248.77 = 4,511.72/x
  3. Step 3: Cross multiply
    12,830.83x = 19,248.77 × 4,511.72
  4. Step 4: Simplify right side
    12,830.83x = 86,845,119.99
  5. Step 5: Solve for x
    x = 86,845,119.99/12,830.83
  6. Step 6: Final answer
    x = 6,768.47

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1.5x scale

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.