Home / 16,768.89-23,140.89-9,695.16

Finding the Fourth Proportional to 16,768.89, 23,140.89 and 9,695.16

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Solution

The fourth proportional to 16,768.89, 23,140.89 and 9,695.16 is: 13,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768.89 : 23,140.89 = 9,695.16 : x
  2. Step 2: Convert to fraction form
    16,768.89/23,140.89 = 9,695.16/x
  3. Step 3: Cross multiply
    16,768.89x = 23,140.89 × 9,695.16
  4. Step 4: Simplify right side
    16,768.89x = 224,354,631.09
  5. Step 5: Solve for x
    x = 224,354,631.09/16,768.89
  6. Step 6: Final answer
    x = 13,379.22

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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.