Home / 17,580.90-26,352.89-6,480.51

Finding the Fourth Proportional to 17,580.90, 26,352.89 and 6,480.51

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Solution

The fourth proportional to 17,580.90, 26,352.89 and 6,480.51 is: 9,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,580.90 : 26,352.89 = 6,480.51 : x
  2. Step 2: Convert to fraction form
    17,580.90/26,352.89 = 6,480.51/x
  3. Step 3: Cross multiply
    17,580.90x = 26,352.89 × 6,480.51
  4. Step 4: Simplify right side
    17,580.90x = 170,780,096.70
  5. Step 5: Solve for x
    x = 170,780,096.70/17,580.90
  6. Step 6: Final answer
    x = 9,713.96

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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.