Home / 15,340.46-21,169.70-8,626.06

Finding the Fourth Proportional to 15,340.46, 21,169.70 and 8,626.06

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Solution

The fourth proportional to 15,340.46, 21,169.70 and 8,626.06 is: 11,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340.46 : 21,169.70 = 8,626.06 : x
  2. Step 2: Convert to fraction form
    15,340.46/21,169.70 = 8,626.06/x
  3. Step 3: Cross multiply
    15,340.46x = 21,169.70 × 8,626.06
  4. Step 4: Simplify right side
    15,340.46x = 182,611,166.58
  5. Step 5: Solve for x
    x = 182,611,166.58/15,340.46
  6. Step 6: Final answer
    x = 11,903.90

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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.