Home / 17,610.90-26,399.80-5,915.91

Finding the Fourth Proportional to 17,610.90, 26,399.80 and 5,915.91

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Solution

The fourth proportional to 17,610.90, 26,399.80 and 5,915.91 is: 8,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,610.90 : 26,399.80 = 5,915.91 : x
  2. Step 2: Convert to fraction form
    17,610.90/26,399.80 = 5,915.91/x
  3. Step 3: Cross multiply
    17,610.90x = 26,399.80 × 5,915.91
  4. Step 4: Simplify right side
    17,610.90x = 156,178,840.82
  5. Step 5: Solve for x
    x = 156,178,840.82/17,610.90
  6. Step 6: Final answer
    x = 8,868.31

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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.