Home / 13,207.54-19,797.96-8,280.64

Finding the Fourth Proportional to 13,207.54, 19,797.96 and 8,280.64

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Solution

The fourth proportional to 13,207.54, 19,797.96 and 8,280.64 is: 12,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.54 : 19,797.96 = 8,280.64 : x
  2. Step 2: Convert to fraction form
    13,207.54/19,797.96 = 8,280.64/x
  3. Step 3: Cross multiply
    13,207.54x = 19,797.96 × 8,280.64
  4. Step 4: Simplify right side
    13,207.54x = 163,939,779.49
  5. Step 5: Solve for x
    x = 163,939,779.49/13,207.54
  6. Step 6: Final answer
    x = 12,412.59

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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.