Home / 15,313.18-21,132.41-8,600.26

Finding the Fourth Proportional to 15,313.18, 21,132.41 and 8,600.26

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Solution

The fourth proportional to 15,313.18, 21,132.41 and 8,600.26 is: 11,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,313.18 : 21,132.41 = 8,600.26 : x
  2. Step 2: Convert to fraction form
    15,313.18/21,132.41 = 8,600.26/x
  3. Step 3: Cross multiply
    15,313.18x = 21,132.41 × 8,600.26
  4. Step 4: Simplify right side
    15,313.18x = 181,744,220.43
  5. Step 5: Solve for x
    x = 181,744,220.43/15,313.18
  6. Step 6: Final answer
    x = 11,868.48

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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.