Home / 8,740.25-13,026.03-8,726.35

Finding the Fourth Proportional to 8,740.25, 13,026.03 and 8,726.35

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Solution

The fourth proportional to 8,740.25, 13,026.03 and 8,726.35 is: 13,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.25 : 13,026.03 = 8,726.35 : x
  2. Step 2: Convert to fraction form
    8,740.25/13,026.03 = 8,726.35/x
  3. Step 3: Cross multiply
    8,740.25x = 13,026.03 × 8,726.35
  4. Step 4: Simplify right side
    8,740.25x = 113,669,664.33
  5. Step 5: Solve for x
    x = 113,669,664.33/8,740.25
  6. Step 6: Final answer
    x = 13,005.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.