Home / 14,977.95-20,670.09-8,263.80

Finding the Fourth Proportional to 14,977.95, 20,670.09 and 8,263.80

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Solution

The fourth proportional to 14,977.95, 20,670.09 and 8,263.80 is: 11,404.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.95 : 20,670.09 = 8,263.80 : x
  2. Step 2: Convert to fraction form
    14,977.95/20,670.09 = 8,263.80/x
  3. Step 3: Cross multiply
    14,977.95x = 20,670.09 × 8,263.80
  4. Step 4: Simplify right side
    14,977.95x = 170,813,489.74
  5. Step 5: Solve for x
    x = 170,813,489.74/14,977.95
  6. Step 6: Final answer
    x = 11,404.33

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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.