Home / 17,689.85-26,525.64-5,208.25

Finding the Fourth Proportional to 17,689.85, 26,525.64 and 5,208.25

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Solution

The fourth proportional to 17,689.85, 26,525.64 and 5,208.25 is: 7,809.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,689.85 : 26,525.64 = 5,208.25 : x
  2. Step 2: Convert to fraction form
    17,689.85/26,525.64 = 5,208.25/x
  3. Step 3: Cross multiply
    17,689.85x = 26,525.64 × 5,208.25
  4. Step 4: Simplify right side
    17,689.85x = 138,152,164.53
  5. Step 5: Solve for x
    x = 138,152,164.53/17,689.85
  6. Step 6: Final answer
    x = 7,809.69

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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.