Home / 15,489.68-23,221.46-6,717.99

Finding the Fourth Proportional to 15,489.68, 23,221.46 and 6,717.99

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Solution

The fourth proportional to 15,489.68, 23,221.46 and 6,717.99 is: 10,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,489.68 : 23,221.46 = 6,717.99 : x
  2. Step 2: Convert to fraction form
    15,489.68/23,221.46 = 6,717.99/x
  3. Step 3: Cross multiply
    15,489.68x = 23,221.46 × 6,717.99
  4. Step 4: Simplify right side
    15,489.68x = 156,001,536.07
  5. Step 5: Solve for x
    x = 156,001,536.07/15,489.68
  6. Step 6: Final answer
    x = 10,071.32

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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.