Home / 23,124.10-31,911.26-12,513.71

Finding the Fourth Proportional to 23,124.10, 31,911.26 and 12,513.71

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Solution

The fourth proportional to 23,124.10, 31,911.26 and 12,513.71 is: 17,268.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,124.10 : 31,911.26 = 12,513.71 : x
  2. Step 2: Convert to fraction form
    23,124.10/31,911.26 = 12,513.71/x
  3. Step 3: Cross multiply
    23,124.10x = 31,911.26 × 12,513.71
  4. Step 4: Simplify right side
    23,124.10x = 399,328,253.37
  5. Step 5: Solve for x
    x = 399,328,253.37/23,124.10
  6. Step 6: Final answer
    x = 17,268.92

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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.