Home / 18,809.40-25,957.32-10,310.96

Finding the Fourth Proportional to 18,809.40, 25,957.32 and 10,310.96

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Solution

The fourth proportional to 18,809.40, 25,957.32 and 10,310.96 is: 14,229.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,809.40 : 25,957.32 = 10,310.96 : x
  2. Step 2: Convert to fraction form
    18,809.40/25,957.32 = 10,310.96/x
  3. Step 3: Cross multiply
    18,809.40x = 25,957.32 × 10,310.96
  4. Step 4: Simplify right side
    18,809.40x = 267,644,888.23
  5. Step 5: Solve for x
    x = 267,644,888.23/18,809.40
  6. Step 6: Final answer
    x = 14,229.32

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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.