Home / 14,085.87-21,161.61-8,246.58

Finding the Fourth Proportional to 14,085.87, 21,161.61 and 8,246.58

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Solution

The fourth proportional to 14,085.87, 21,161.61 and 8,246.58 is: 12,389.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.87 : 21,161.61 = 8,246.58 : x
  2. Step 2: Convert to fraction form
    14,085.87/21,161.61 = 8,246.58/x
  3. Step 3: Cross multiply
    14,085.87x = 21,161.61 × 8,246.58
  4. Step 4: Simplify right side
    14,085.87x = 174,510,909.79
  5. Step 5: Solve for x
    x = 174,510,909.79/14,085.87
  6. Step 6: Final answer
    x = 12,389.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.