Home / 14,567.20-20,103.32-8,280.16

Finding the Fourth Proportional to 14,567.20, 20,103.32 and 8,280.16

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Solution

The fourth proportional to 14,567.20, 20,103.32 and 8,280.16 is: 11,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,567.20 : 20,103.32 = 8,280.16 : x
  2. Step 2: Convert to fraction form
    14,567.20/20,103.32 = 8,280.16/x
  3. Step 3: Cross multiply
    14,567.20x = 20,103.32 × 8,280.16
  4. Step 4: Simplify right side
    14,567.20x = 166,458,706.13
  5. Step 5: Solve for x
    x = 166,458,706.13/14,567.20
  6. Step 6: Final answer
    x = 11,426.95

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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.