Home / 10,840.32-16,166.43-9,790.56

Finding the Fourth Proportional to 10,840.32, 16,166.43 and 9,790.56

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Solution

The fourth proportional to 10,840.32, 16,166.43 and 9,790.56 is: 14,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,840.32 : 16,166.43 = 9,790.56 : x
  2. Step 2: Convert to fraction form
    10,840.32/16,166.43 = 9,790.56/x
  3. Step 3: Cross multiply
    10,840.32x = 16,166.43 × 9,790.56
  4. Step 4: Simplify right side
    10,840.32x = 158,278,402.90
  5. Step 5: Solve for x
    x = 158,278,402.90/10,840.32
  6. Step 6: Final answer
    x = 14,600.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.