Home / 11,711.58-17,574.23-4,321.18

Finding the Fourth Proportional to 11,711.58, 17,574.23 and 4,321.18

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Solution

The fourth proportional to 11,711.58, 17,574.23 and 4,321.18 is: 6,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.58 : 17,574.23 = 4,321.18 : x
  2. Step 2: Convert to fraction form
    11,711.58/17,574.23 = 4,321.18/x
  3. Step 3: Cross multiply
    11,711.58x = 17,574.23 × 4,321.18
  4. Step 4: Simplify right side
    11,711.58x = 75,941,411.19
  5. Step 5: Solve for x
    x = 75,941,411.19/11,711.58
  6. Step 6: Final answer
    x = 6,484.30

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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.