Home / 14,182.08-21,379.30-13,230.60

Finding the Fourth Proportional to 14,182.08, 21,379.30 and 13,230.60

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Solution

The fourth proportional to 14,182.08, 21,379.30 and 13,230.60 is: 19,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.08 : 21,379.30 = 13,230.60 : x
  2. Step 2: Convert to fraction form
    14,182.08/21,379.30 = 13,230.60/x
  3. Step 3: Cross multiply
    14,182.08x = 21,379.30 × 13,230.60
  4. Step 4: Simplify right side
    14,182.08x = 282,860,966.58
  5. Step 5: Solve for x
    x = 282,860,966.58/14,182.08
  6. Step 6: Final answer
    x = 19,944.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.