Home / 14,950.18-20,626.68-8,661.34

Finding the Fourth Proportional to 14,950.18, 20,626.68 and 8,661.34

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Solution

The fourth proportional to 14,950.18, 20,626.68 and 8,661.34 is: 11,950.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,950.18 : 20,626.68 = 8,661.34 : x
  2. Step 2: Convert to fraction form
    14,950.18/20,626.68 = 8,661.34/x
  3. Step 3: Cross multiply
    14,950.18x = 20,626.68 × 8,661.34
  4. Step 4: Simplify right side
    14,950.18x = 178,654,688.55
  5. Step 5: Solve for x
    x = 178,654,688.55/14,950.18
  6. Step 6: Final answer
    x = 11,950.00

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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.