Home / 18,650.40-25,737.48-10,266.90

Finding the Fourth Proportional to 18,650.40, 25,737.48 and 10,266.90

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Solution

The fourth proportional to 18,650.40, 25,737.48 and 10,266.90 is: 14,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.40 : 25,737.48 = 10,266.90 : x
  2. Step 2: Convert to fraction form
    18,650.40/25,737.48 = 10,266.90/x
  3. Step 3: Cross multiply
    18,650.40x = 25,737.48 × 10,266.90
  4. Step 4: Simplify right side
    18,650.40x = 264,244,133.41
  5. Step 5: Solve for x
    x = 264,244,133.41/18,650.40
  6. Step 6: Final answer
    x = 14,168.28

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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.