Home / 23,141.55-31,935.20-12,530.96

Finding the Fourth Proportional to 23,141.55, 31,935.20 and 12,530.96

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Solution

The fourth proportional to 23,141.55, 31,935.20 and 12,530.96 is: 17,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,141.55 : 31,935.20 = 12,530.96 : x
  2. Step 2: Convert to fraction form
    23,141.55/31,935.20 = 12,530.96/x
  3. Step 3: Cross multiply
    23,141.55x = 31,935.20 × 12,530.96
  4. Step 4: Simplify right side
    23,141.55x = 400,178,491.46
  5. Step 5: Solve for x
    x = 400,178,491.46/23,141.55
  6. Step 6: Final answer
    x = 17,292.64

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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.