Home / 14,771.46-20,383.95-8,397.68

Finding the Fourth Proportional to 14,771.46, 20,383.95 and 8,397.68

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Solution

The fourth proportional to 14,771.46, 20,383.95 and 8,397.68 is: 11,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.46 : 20,383.95 = 8,397.68 : x
  2. Step 2: Convert to fraction form
    14,771.46/20,383.95 = 8,397.68/x
  3. Step 3: Cross multiply
    14,771.46x = 20,383.95 × 8,397.68
  4. Step 4: Simplify right side
    14,771.46x = 171,177,818.81
  5. Step 5: Solve for x
    x = 171,177,818.81/14,771.46
  6. Step 6: Final answer
    x = 11,588.41

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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.