Home / 14,256.81-21,383.12-8,336.42

Finding the Fourth Proportional to 14,256.81, 21,383.12 and 8,336.42

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Solution

The fourth proportional to 14,256.81, 21,383.12 and 8,336.42 is: 12,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.81 : 21,383.12 = 8,336.42 : x
  2. Step 2: Convert to fraction form
    14,256.81/21,383.12 = 8,336.42/x
  3. Step 3: Cross multiply
    14,256.81x = 21,383.12 × 8,336.42
  4. Step 4: Simplify right side
    14,256.81x = 178,258,663.34
  5. Step 5: Solve for x
    x = 178,258,663.34/14,256.81
  6. Step 6: Final answer
    x = 12,503.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.