Home / 14,945.90-20,625.41-8,977.67

Finding the Fourth Proportional to 14,945.90, 20,625.41 and 8,977.67

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Solution

The fourth proportional to 14,945.90, 20,625.41 and 8,977.67 is: 12,389.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.90 : 20,625.41 = 8,977.67 : x
  2. Step 2: Convert to fraction form
    14,945.90/20,625.41 = 8,977.67/x
  3. Step 3: Cross multiply
    14,945.90x = 20,625.41 × 8,977.67
  4. Step 4: Simplify right side
    14,945.90x = 185,168,131.27
  5. Step 5: Solve for x
    x = 185,168,131.27/14,945.90
  6. Step 6: Final answer
    x = 12,389.22

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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.