Home / 16,695.65-23,039.12-9,140.54

Finding the Fourth Proportional to 16,695.65, 23,039.12 and 9,140.54

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Solution

The fourth proportional to 16,695.65, 23,039.12 and 9,140.54 is: 12,613.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,695.65 : 23,039.12 = 9,140.54 : x
  2. Step 2: Convert to fraction form
    16,695.65/23,039.12 = 9,140.54/x
  3. Step 3: Cross multiply
    16,695.65x = 23,039.12 × 9,140.54
  4. Step 4: Simplify right side
    16,695.65x = 210,589,905.58
  5. Step 5: Solve for x
    x = 210,589,905.58/16,695.65
  6. Step 6: Final answer
    x = 12,613.46

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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.