Home / 18,355.60-25,330.69-10,397.81

Finding the Fourth Proportional to 18,355.60, 25,330.69 and 10,397.81

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Solution

The fourth proportional to 18,355.60, 25,330.69 and 10,397.81 is: 14,348.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355.60 : 25,330.69 = 10,397.81 : x
  2. Step 2: Convert to fraction form
    18,355.60/25,330.69 = 10,397.81/x
  3. Step 3: Cross multiply
    18,355.60x = 25,330.69 × 10,397.81
  4. Step 4: Simplify right side
    18,355.60x = 263,383,701.79
  5. Step 5: Solve for x
    x = 263,383,701.79/18,355.60
  6. Step 6: Final answer
    x = 14,348.96

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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.