Home / 18,322.74-25,306.02-12,378.96

Finding the Fourth Proportional to 18,322.74, 25,306.02 and 12,378.96

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Solution

The fourth proportional to 18,322.74, 25,306.02 and 12,378.96 is: 17,096.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.74 : 25,306.02 = 12,378.96 : x
  2. Step 2: Convert to fraction form
    18,322.74/25,306.02 = 12,378.96/x
  3. Step 3: Cross multiply
    18,322.74x = 25,306.02 × 12,378.96
  4. Step 4: Simplify right side
    18,322.74x = 313,262,209.34
  5. Step 5: Solve for x
    x = 313,262,209.34/18,322.74
  6. Step 6: Final answer
    x = 17,096.91

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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.