Home / 13,026.30-19,539.19-3,165.49

Finding the Fourth Proportional to 13,026.30, 19,539.19 and 3,165.49

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Solution

The fourth proportional to 13,026.30, 19,539.19 and 3,165.49 is: 4,748.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.30 : 19,539.19 = 3,165.49 : x
  2. Step 2: Convert to fraction form
    13,026.30/19,539.19 = 3,165.49/x
  3. Step 3: Cross multiply
    13,026.30x = 19,539.19 × 3,165.49
  4. Step 4: Simplify right side
    13,026.30x = 61,851,110.55
  5. Step 5: Solve for x
    x = 61,851,110.55/13,026.30
  6. Step 6: Final answer
    x = 4,748.17

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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.