Home / 14,776.32-20,391.46-8,061.90

Finding the Fourth Proportional to 14,776.32, 20,391.46 and 8,061.90

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Solution

The fourth proportional to 14,776.32, 20,391.46 and 8,061.90 is: 11,125.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776.32 : 20,391.46 = 8,061.90 : x
  2. Step 2: Convert to fraction form
    14,776.32/20,391.46 = 8,061.90/x
  3. Step 3: Cross multiply
    14,776.32x = 20,391.46 × 8,061.90
  4. Step 4: Simplify right side
    14,776.32x = 164,393,911.37
  5. Step 5: Solve for x
    x = 164,393,911.37/14,776.32
  6. Step 6: Final answer
    x = 11,125.50

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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.