Home / 14,382.18-19,852.82-8,415.77

Finding the Fourth Proportional to 14,382.18, 19,852.82 and 8,415.77

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Solution

The fourth proportional to 14,382.18, 19,852.82 and 8,415.77 is: 11,616.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.18 : 19,852.82 = 8,415.77 : x
  2. Step 2: Convert to fraction form
    14,382.18/19,852.82 = 8,415.77/x
  3. Step 3: Cross multiply
    14,382.18x = 19,852.82 × 8,415.77
  4. Step 4: Simplify right side
    14,382.18x = 167,076,657.19
  5. Step 5: Solve for x
    x = 167,076,657.19/14,382.18
  6. Step 6: Final answer
    x = 11,616.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.