Home / 15,380.09-23,057.63-6,489.69

Finding the Fourth Proportional to 15,380.09, 23,057.63 and 6,489.69

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Solution

The fourth proportional to 15,380.09, 23,057.63 and 6,489.69 is: 9,729.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380.09 : 23,057.63 = 6,489.69 : x
  2. Step 2: Convert to fraction form
    15,380.09/23,057.63 = 6,489.69/x
  3. Step 3: Cross multiply
    15,380.09x = 23,057.63 × 6,489.69
  4. Step 4: Simplify right side
    15,380.09x = 149,636,870.83
  5. Step 5: Solve for x
    x = 149,636,870.83/15,380.09
  6. Step 6: Final answer
    x = 9,729.26

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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.