Home / 12,580.60-17,331.23-8,796.69

Finding the Fourth Proportional to 12,580.60, 17,331.23 and 8,796.69

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Solution

The fourth proportional to 12,580.60, 17,331.23 and 8,796.69 is: 12,118.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,580.60 : 17,331.23 = 8,796.69 : x
  2. Step 2: Convert to fraction form
    12,580.60/17,331.23 = 8,796.69/x
  3. Step 3: Cross multiply
    12,580.60x = 17,331.23 × 8,796.69
  4. Step 4: Simplify right side
    12,580.60x = 152,457,457.63
  5. Step 5: Solve for x
    x = 152,457,457.63/12,580.60
  6. Step 6: Final answer
    x = 12,118.46

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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.