Home / 17,915.13-26,872.69-5,603.13

Finding the Fourth Proportional to 17,915.13, 26,872.69 and 5,603.13

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Solution

The fourth proportional to 17,915.13, 26,872.69 and 5,603.13 is: 8,404.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.13 : 26,872.69 = 5,603.13 : x
  2. Step 2: Convert to fraction form
    17,915.13/26,872.69 = 5,603.13/x
  3. Step 3: Cross multiply
    17,915.13x = 26,872.69 × 5,603.13
  4. Step 4: Simplify right side
    17,915.13x = 150,571,175.52
  5. Step 5: Solve for x
    x = 150,571,175.52/17,915.13
  6. Step 6: Final answer
    x = 8,404.69

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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.