Home / 17,405.80-26,107.62-5,559.28

Finding the Fourth Proportional to 17,405.80, 26,107.62 and 5,559.28

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Solution

The fourth proportional to 17,405.80, 26,107.62 and 5,559.28 is: 8,338.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,405.80 : 26,107.62 = 5,559.28 : x
  2. Step 2: Convert to fraction form
    17,405.80/26,107.62 = 5,559.28/x
  3. Step 3: Cross multiply
    17,405.80x = 26,107.62 × 5,559.28
  4. Step 4: Simplify right side
    17,405.80x = 145,139,569.71
  5. Step 5: Solve for x
    x = 145,139,569.71/17,405.80
  6. Step 6: Final answer
    x = 8,338.58

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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.