Home / 18,686.46-25,787.34-10,302.96

Finding the Fourth Proportional to 18,686.46, 25,787.34 and 10,302.96

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Solution

The fourth proportional to 18,686.46, 25,787.34 and 10,302.96 is: 14,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686.46 : 25,787.34 = 10,302.96 : x
  2. Step 2: Convert to fraction form
    18,686.46/25,787.34 = 10,302.96/x
  3. Step 3: Cross multiply
    18,686.46x = 25,787.34 × 10,302.96
  4. Step 4: Simplify right side
    18,686.46x = 265,685,932.53
  5. Step 5: Solve for x
    x = 265,685,932.53/18,686.46
  6. Step 6: Final answer
    x = 14,218.10

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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.