Home / 14,938.56-20,611.26-9,270.72

Finding the Fourth Proportional to 14,938.56, 20,611.26 and 9,270.72

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Solution

The fourth proportional to 14,938.56, 20,611.26 and 9,270.72 is: 12,791.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,938.56 : 20,611.26 = 9,270.72 : x
  2. Step 2: Convert to fraction form
    14,938.56/20,611.26 = 9,270.72/x
  3. Step 3: Cross multiply
    14,938.56x = 20,611.26 × 9,270.72
  4. Step 4: Simplify right side
    14,938.56x = 191,081,220.31
  5. Step 5: Solve for x
    x = 191,081,220.31/14,938.56
  6. Step 6: Final answer
    x = 12,791.14

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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.