Home / 15,685.32-23,521.70-6,914

Finding the Fourth Proportional to 15,685.32, 23,521.70 and 6,914

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Solution

The fourth proportional to 15,685.32, 23,521.70 and 6,914 is: 10,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,685.32 : 23,521.70 = 6,914 : x
  2. Step 2: Convert to fraction form
    15,685.32/23,521.70 = 6,914/x
  3. Step 3: Cross multiply
    15,685.32x = 23,521.70 × 6,914
  4. Step 4: Simplify right side
    15,685.32x = 162,629,033.80
  5. Step 5: Solve for x
    x = 162,629,033.80/15,685.32
  6. Step 6: Final answer
    x = 10,368.23

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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.