Home / 15,727.40-21,704.41-9,014.32

Finding the Fourth Proportional to 15,727.40, 21,704.41 and 9,014.32

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Solution

The fourth proportional to 15,727.40, 21,704.41 and 9,014.32 is: 12,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727.40 : 21,704.41 = 9,014.32 : x
  2. Step 2: Convert to fraction form
    15,727.40/21,704.41 = 9,014.32/x
  3. Step 3: Cross multiply
    15,727.40x = 21,704.41 × 9,014.32
  4. Step 4: Simplify right side
    15,727.40x = 195,650,474.62
  5. Step 5: Solve for x
    x = 195,650,474.62/15,727.40
  6. Step 6: Final answer
    x = 12,440.10

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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.