Home / 15,004.68-20,707.70-8,633.36

Finding the Fourth Proportional to 15,004.68, 20,707.70 and 8,633.36

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Solution

The fourth proportional to 15,004.68, 20,707.70 and 8,633.36 is: 11,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004.68 : 20,707.70 = 8,633.36 : x
  2. Step 2: Convert to fraction form
    15,004.68/20,707.70 = 8,633.36/x
  3. Step 3: Cross multiply
    15,004.68x = 20,707.70 × 8,633.36
  4. Step 4: Simplify right side
    15,004.68x = 178,776,882.17
  5. Step 5: Solve for x
    x = 178,776,882.17/15,004.68
  6. Step 6: Final answer
    x = 11,914.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.