Home / 17,785.89-26,678.84-4,638.22

Finding the Fourth Proportional to 17,785.89, 26,678.84 and 4,638.22

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Solution

The fourth proportional to 17,785.89, 26,678.84 and 4,638.22 is: 6,957.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,785.89 : 26,678.84 = 4,638.22 : x
  2. Step 2: Convert to fraction form
    17,785.89/26,678.84 = 4,638.22/x
  3. Step 3: Cross multiply
    17,785.89x = 26,678.84 × 4,638.22
  4. Step 4: Simplify right side
    17,785.89x = 123,742,329.26
  5. Step 5: Solve for x
    x = 123,742,329.26/17,785.89
  6. Step 6: Final answer
    x = 6,957.33

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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.