Home / 12,563.19-17,330.90-8,584.47

Finding the Fourth Proportional to 12,563.19, 17,330.90 and 8,584.47

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Solution

The fourth proportional to 12,563.19, 17,330.90 and 8,584.47 is: 11,842.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563.19 : 17,330.90 = 8,584.47 : x
  2. Step 2: Convert to fraction form
    12,563.19/17,330.90 = 8,584.47/x
  3. Step 3: Cross multiply
    12,563.19x = 17,330.90 × 8,584.47
  4. Step 4: Simplify right side
    12,563.19x = 148,776,548.20
  5. Step 5: Solve for x
    x = 148,776,548.20/12,563.19
  6. Step 6: Final answer
    x = 11,842.26

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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.