Home / 14,584.41-20,128.77-9,280.98

Finding the Fourth Proportional to 14,584.41, 20,128.77 and 9,280.98

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Solution

The fourth proportional to 14,584.41, 20,128.77 and 9,280.98 is: 12,809.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,584.41 : 20,128.77 = 9,280.98 : x
  2. Step 2: Convert to fraction form
    14,584.41/20,128.77 = 9,280.98/x
  3. Step 3: Cross multiply
    14,584.41x = 20,128.77 × 9,280.98
  4. Step 4: Simplify right side
    14,584.41x = 186,814,711.79
  5. Step 5: Solve for x
    x = 186,814,711.79/14,584.41
  6. Step 6: Final answer
    x = 12,809.21

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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.