Home / 12,335.36-18,502.83-8,376.80

Finding the Fourth Proportional to 12,335.36, 18,502.83 and 8,376.80

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Solution

The fourth proportional to 12,335.36, 18,502.83 and 8,376.80 is: 12,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.36 : 18,502.83 = 8,376.80 : x
  2. Step 2: Convert to fraction form
    12,335.36/18,502.83 = 8,376.80/x
  3. Step 3: Cross multiply
    12,335.36x = 18,502.83 × 8,376.80
  4. Step 4: Simplify right side
    12,335.36x = 154,994,413.83
  5. Step 5: Solve for x
    x = 154,994,413.83/12,335.36
  6. Step 6: Final answer
    x = 12,565.05

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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.