Home / 16,157.29-22,297.58-9,785.07

Finding the Fourth Proportional to 16,157.29, 22,297.58 and 9,785.07

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Solution

The fourth proportional to 16,157.29, 22,297.58 and 9,785.07 is: 13,503.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,157.29 : 22,297.58 = 9,785.07 : x
  2. Step 2: Convert to fraction form
    16,157.29/22,297.58 = 9,785.07/x
  3. Step 3: Cross multiply
    16,157.29x = 22,297.58 × 9,785.07
  4. Step 4: Simplify right side
    16,157.29x = 218,183,381.13
  5. Step 5: Solve for x
    x = 218,183,381.13/16,157.29
  6. Step 6: Final answer
    x = 13,503.71

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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.