Home / 19,485.77-26,874.72-13,110.26

Finding the Fourth Proportional to 19,485.77, 26,874.72 and 13,110.26

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Solution

The fourth proportional to 19,485.77, 26,874.72 and 13,110.26 is: 18,081.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485.77 : 26,874.72 = 13,110.26 : x
  2. Step 2: Convert to fraction form
    19,485.77/26,874.72 = 13,110.26/x
  3. Step 3: Cross multiply
    19,485.77x = 26,874.72 × 13,110.26
  4. Step 4: Simplify right side
    19,485.77x = 352,334,432.25
  5. Step 5: Solve for x
    x = 352,334,432.25/19,485.77
  6. Step 6: Final answer
    x = 18,081.63

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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.