Home / 14,954.60-20,638.27-8,240.23

Finding the Fourth Proportional to 14,954.60, 20,638.27 and 8,240.23

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Solution

The fourth proportional to 14,954.60, 20,638.27 and 8,240.23 is: 11,372.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,954.60 : 20,638.27 = 8,240.23 : x
  2. Step 2: Convert to fraction form
    14,954.60/20,638.27 = 8,240.23/x
  3. Step 3: Cross multiply
    14,954.60x = 20,638.27 × 8,240.23
  4. Step 4: Simplify right side
    14,954.60x = 170,064,095.75
  5. Step 5: Solve for x
    x = 170,064,095.75/14,954.60
  6. Step 6: Final answer
    x = 11,372.02

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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.