Home / 17,639.84-26,477.04-8,412.32

Finding the Fourth Proportional to 17,639.84, 26,477.04 and 8,412.32

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Solution

The fourth proportional to 17,639.84, 26,477.04 and 8,412.32 is: 12,626.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.84 : 26,477.04 = 8,412.32 : x
  2. Step 2: Convert to fraction form
    17,639.84/26,477.04 = 8,412.32/x
  3. Step 3: Cross multiply
    17,639.84x = 26,477.04 × 8,412.32
  4. Step 4: Simplify right side
    17,639.84x = 222,733,333.13
  5. Step 5: Solve for x
    x = 222,733,333.13/17,639.84
  6. Step 6: Final answer
    x = 12,626.72

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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.