Home / 18,306.41-25,283.58-12,327.70

Finding the Fourth Proportional to 18,306.41, 25,283.58 and 12,327.70

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Solution

The fourth proportional to 18,306.41, 25,283.58 and 12,327.70 is: 17,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306.41 : 25,283.58 = 12,327.70 : x
  2. Step 2: Convert to fraction form
    18,306.41/25,283.58 = 12,327.70/x
  3. Step 3: Cross multiply
    18,306.41x = 25,283.58 × 12,327.70
  4. Step 4: Simplify right side
    18,306.41x = 311,688,389.17
  5. Step 5: Solve for x
    x = 311,688,389.17/18,306.41
  6. Step 6: Final answer
    x = 17,026.19

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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.