Home / 18,835.75-26,003.62-12,876.18

Finding the Fourth Proportional to 18,835.75, 26,003.62 and 12,876.18

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Solution

The fourth proportional to 18,835.75, 26,003.62 and 12,876.18 is: 17,776.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.75 : 26,003.62 = 12,876.18 : x
  2. Step 2: Convert to fraction form
    18,835.75/26,003.62 = 12,876.18/x
  3. Step 3: Cross multiply
    18,835.75x = 26,003.62 × 12,876.18
  4. Step 4: Simplify right side
    18,835.75x = 334,827,210.35
  5. Step 5: Solve for x
    x = 334,827,210.35/18,835.75
  6. Step 6: Final answer
    x = 17,776.15

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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.