Home / 13,346.34-20,026.64-8,665.25

Finding the Fourth Proportional to 13,346.34, 20,026.64 and 8,665.25

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Solution

The fourth proportional to 13,346.34, 20,026.64 and 8,665.25 is: 13,002.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.34 : 20,026.64 = 8,665.25 : x
  2. Step 2: Convert to fraction form
    13,346.34/20,026.64 = 8,665.25/x
  3. Step 3: Cross multiply
    13,346.34x = 20,026.64 × 8,665.25
  4. Step 4: Simplify right side
    13,346.34x = 173,535,842.26
  5. Step 5: Solve for x
    x = 173,535,842.26/13,346.34
  6. Step 6: Final answer
    x = 13,002.50

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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.