Home / 19,376.85-26,733.18-12,666.33

Finding the Fourth Proportional to 19,376.85, 26,733.18 and 12,666.33

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Solution

The fourth proportional to 19,376.85, 26,733.18 and 12,666.33 is: 17,475.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.85 : 26,733.18 = 12,666.33 : x
  2. Step 2: Convert to fraction form
    19,376.85/26,733.18 = 12,666.33/x
  3. Step 3: Cross multiply
    19,376.85x = 26,733.18 × 12,666.33
  4. Step 4: Simplify right side
    19,376.85x = 338,611,279.83
  5. Step 5: Solve for x
    x = 338,611,279.83/19,376.85
  6. Step 6: Final answer
    x = 17,475.04

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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.