Home / 14,256.09-21,380.90-6,856.74

Finding the Fourth Proportional to 14,256.09, 21,380.90 and 6,856.74

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Solution

The fourth proportional to 14,256.09, 21,380.90 and 6,856.74 is: 10,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.09 : 21,380.90 = 6,856.74 : x
  2. Step 2: Convert to fraction form
    14,256.09/21,380.90 = 6,856.74/x
  3. Step 3: Cross multiply
    14,256.09x = 21,380.90 × 6,856.74
  4. Step 4: Simplify right side
    14,256.09x = 146,603,237.98
  5. Step 5: Solve for x
    x = 146,603,237.98/14,256.09
  6. Step 6: Final answer
    x = 10,283.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.