Home / 19,221.30-28,830.69-6,083.10

Finding the Fourth Proportional to 19,221.30, 28,830.69 and 6,083.10

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Solution

The fourth proportional to 19,221.30, 28,830.69 and 6,083.10 is: 9,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.30 : 28,830.69 = 6,083.10 : x
  2. Step 2: Convert to fraction form
    19,221.30/28,830.69 = 6,083.10/x
  3. Step 3: Cross multiply
    19,221.30x = 28,830.69 × 6,083.10
  4. Step 4: Simplify right side
    19,221.30x = 175,379,970.34
  5. Step 5: Solve for x
    x = 175,379,970.34/19,221.30
  6. Step 6: Final answer
    x = 9,124.25

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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.