Home / 23,125.56-31,913.31-12,515.19

Finding the Fourth Proportional to 23,125.56, 31,913.31 and 12,515.19

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Solution

The fourth proportional to 23,125.56, 31,913.31 and 12,515.19 is: 17,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.56 : 31,913.31 = 12,515.19 : x
  2. Step 2: Convert to fraction form
    23,125.56/31,913.31 = 12,515.19/x
  3. Step 3: Cross multiply
    23,125.56x = 31,913.31 × 12,515.19
  4. Step 4: Simplify right side
    23,125.56x = 399,401,138.18
  5. Step 5: Solve for x
    x = 399,401,138.18/23,125.56
  6. Step 6: Final answer
    x = 17,270.98

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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.