Home / 15,674.22-21,630.51-8,504.19

Finding the Fourth Proportional to 15,674.22, 21,630.51 and 8,504.19

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Solution

The fourth proportional to 15,674.22, 21,630.51 and 8,504.19 is: 11,735.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,674.22 : 21,630.51 = 8,504.19 : x
  2. Step 2: Convert to fraction form
    15,674.22/21,630.51 = 8,504.19/x
  3. Step 3: Cross multiply
    15,674.22x = 21,630.51 × 8,504.19
  4. Step 4: Simplify right side
    15,674.22x = 183,949,966.84
  5. Step 5: Solve for x
    x = 183,949,966.84/15,674.22
  6. Step 6: Final answer
    x = 11,735.83

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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.