Home / 15,543.39-21,441.92-10,168.94

Finding the Fourth Proportional to 15,543.39, 21,441.92 and 10,168.94

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Solution

The fourth proportional to 15,543.39, 21,441.92 and 10,168.94 is: 14,027.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543.39 : 21,441.92 = 10,168.94 : x
  2. Step 2: Convert to fraction form
    15,543.39/21,441.92 = 10,168.94/x
  3. Step 3: Cross multiply
    15,543.39x = 21,441.92 × 10,168.94
  4. Step 4: Simplify right side
    15,543.39x = 218,041,600.72
  5. Step 5: Solve for x
    x = 218,041,600.72/15,543.39
  6. Step 6: Final answer
    x = 14,027.93

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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.