Home / 14,312.85-21,468.89-6,413.22

Finding the Fourth Proportional to 14,312.85, 21,468.89 and 6,413.22

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Solution

The fourth proportional to 14,312.85, 21,468.89 and 6,413.22 is: 9,619.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,312.85 : 21,468.89 = 6,413.22 : x
  2. Step 2: Convert to fraction form
    14,312.85/21,468.89 = 6,413.22/x
  3. Step 3: Cross multiply
    14,312.85x = 21,468.89 × 6,413.22
  4. Step 4: Simplify right side
    14,312.85x = 137,684,714.73
  5. Step 5: Solve for x
    x = 137,684,714.73/14,312.85
  6. Step 6: Final answer
    x = 9,619.66

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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.