Home / 11,025.40-16,505.70-9,729.40

Finding the Fourth Proportional to 11,025.40, 16,505.70 and 9,729.40

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Solution

The fourth proportional to 11,025.40, 16,505.70 and 9,729.40 is: 14,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.40 : 16,505.70 = 9,729.40 : x
  2. Step 2: Convert to fraction form
    11,025.40/16,505.70 = 9,729.40/x
  3. Step 3: Cross multiply
    11,025.40x = 16,505.70 × 9,729.40
  4. Step 4: Simplify right side
    11,025.40x = 160,590,557.58
  5. Step 5: Solve for x
    x = 160,590,557.58/11,025.40
  6. Step 6: Final answer
    x = 14,565.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.