Home / 18,941.34-26,118.54-12,895.50

Finding the Fourth Proportional to 18,941.34, 26,118.54 and 12,895.50

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Solution

The fourth proportional to 18,941.34, 26,118.54 and 12,895.50 is: 17,781.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.34 : 26,118.54 = 12,895.50 : x
  2. Step 2: Convert to fraction form
    18,941.34/26,118.54 = 12,895.50/x
  3. Step 3: Cross multiply
    18,941.34x = 26,118.54 × 12,895.50
  4. Step 4: Simplify right side
    18,941.34x = 336,811,632.57
  5. Step 5: Solve for x
    x = 336,811,632.57/18,941.34
  6. Step 6: Final answer
    x = 17,781.83

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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.