Home / 14,764.21-20,381.87-10,230.33

Finding the Fourth Proportional to 14,764.21, 20,381.87 and 10,230.33

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Solution

The fourth proportional to 14,764.21, 20,381.87 and 10,230.33 is: 14,122.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,764.21 : 20,381.87 = 10,230.33 : x
  2. Step 2: Convert to fraction form
    14,764.21/20,381.87 = 10,230.33/x
  3. Step 3: Cross multiply
    14,764.21x = 20,381.87 × 10,230.33
  4. Step 4: Simplify right side
    14,764.21x = 208,513,256.12
  5. Step 5: Solve for x
    x = 208,513,256.12/14,764.21
  6. Step 6: Final answer
    x = 14,122.89

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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.