Home / 23,124.16-31,911.33-12,513.79

Finding the Fourth Proportional to 23,124.16, 31,911.33 and 12,513.79

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Solution

The fourth proportional to 23,124.16, 31,911.33 and 12,513.79 is: 17,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,124.16 : 31,911.33 = 12,513.79 : x
  2. Step 2: Convert to fraction form
    23,124.16/31,911.33 = 12,513.79/x
  3. Step 3: Cross multiply
    23,124.16x = 31,911.33 × 12,513.79
  4. Step 4: Simplify right side
    23,124.16x = 399,331,709.22
  5. Step 5: Solve for x
    x = 399,331,709.22/23,124.16
  6. Step 6: Final answer
    x = 17,269.03

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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.