Home / 23,313.71-34,980.90-12,217.76

Finding the Fourth Proportional to 23,313.71, 34,980.90 and 12,217.76

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Solution

The fourth proportional to 23,313.71, 34,980.90 and 12,217.76 is: 18,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,313.71 : 34,980.90 = 12,217.76 : x
  2. Step 2: Convert to fraction form
    23,313.71/34,980.90 = 12,217.76/x
  3. Step 3: Cross multiply
    23,313.71x = 34,980.90 × 12,217.76
  4. Step 4: Simplify right side
    23,313.71x = 427,388,004.79
  5. Step 5: Solve for x
    x = 427,388,004.79/23,313.71
  6. Step 6: Final answer
    x = 18,332.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.