Home / 19,364.08-26,722.08-12,636.96

Finding the Fourth Proportional to 19,364.08, 26,722.08 and 12,636.96

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Solution

The fourth proportional to 19,364.08, 26,722.08 and 12,636.96 is: 17,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.08 : 26,722.08 = 12,636.96 : x
  2. Step 2: Convert to fraction form
    19,364.08/26,722.08 = 12,636.96/x
  3. Step 3: Cross multiply
    19,364.08x = 26,722.08 × 12,636.96
  4. Step 4: Simplify right side
    19,364.08x = 337,685,856.08
  5. Step 5: Solve for x
    x = 337,685,856.08/19,364.08
  6. Step 6: Final answer
    x = 17,438.78

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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.