Home / 14,586.62-20,129.65-8,299.40

Finding the Fourth Proportional to 14,586.62, 20,129.65 and 8,299.40

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Solution

The fourth proportional to 14,586.62, 20,129.65 and 8,299.40 is: 11,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586.62 : 20,129.65 = 8,299.40 : x
  2. Step 2: Convert to fraction form
    14,586.62/20,129.65 = 8,299.40/x
  3. Step 3: Cross multiply
    14,586.62x = 20,129.65 × 8,299.40
  4. Step 4: Simplify right side
    14,586.62x = 167,063,895.81
  5. Step 5: Solve for x
    x = 167,063,895.81/14,586.62
  6. Step 6: Final answer
    x = 11,453.23

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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.