Home / 14,640.90-20,204.30-7,926.35

Finding the Fourth Proportional to 14,640.90, 20,204.30 and 7,926.35

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Solution

The fourth proportional to 14,640.90, 20,204.30 and 7,926.35 is: 10,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.90 : 20,204.30 = 7,926.35 : x
  2. Step 2: Convert to fraction form
    14,640.90/20,204.30 = 7,926.35/x
  3. Step 3: Cross multiply
    14,640.90x = 20,204.30 × 7,926.35
  4. Step 4: Simplify right side
    14,640.90x = 160,146,313.67
  5. Step 5: Solve for x
    x = 160,146,313.67/14,640.90
  6. Step 6: Final answer
    x = 10,938.29

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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.