Home / 13,026.51-19,540.13-8,110.35

Finding the Fourth Proportional to 13,026.51, 19,540.13 and 8,110.35

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Solution

The fourth proportional to 13,026.51, 19,540.13 and 8,110.35 is: 12,165.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.51 : 19,540.13 = 8,110.35 : x
  2. Step 2: Convert to fraction form
    13,026.51/19,540.13 = 8,110.35/x
  3. Step 3: Cross multiply
    13,026.51x = 19,540.13 × 8,110.35
  4. Step 4: Simplify right side
    13,026.51x = 158,477,252.79
  5. Step 5: Solve for x
    x = 158,477,252.79/13,026.51
  6. Step 6: Final answer
    x = 12,165.75

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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.