Home / 15,801.90-23,707.24-6,915.64

Finding the Fourth Proportional to 15,801.90, 23,707.24 and 6,915.64

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Solution

The fourth proportional to 15,801.90, 23,707.24 and 6,915.64 is: 10,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,801.90 : 23,707.24 = 6,915.64 : x
  2. Step 2: Convert to fraction form
    15,801.90/23,707.24 = 6,915.64/x
  3. Step 3: Cross multiply
    15,801.90x = 23,707.24 × 6,915.64
  4. Step 4: Simplify right side
    15,801.90x = 163,950,737.23
  5. Step 5: Solve for x
    x = 163,950,737.23/15,801.90
  6. Step 6: Final answer
    x = 10,375.38

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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.