Home / 17,915.32-26,868.66-5,603.32

Finding the Fourth Proportional to 17,915.32, 26,868.66 and 5,603.32

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Solution

The fourth proportional to 17,915.32, 26,868.66 and 5,603.32 is: 8,403.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.32 : 26,868.66 = 5,603.32 : x
  2. Step 2: Convert to fraction form
    17,915.32/26,868.66 = 5,603.32/x
  3. Step 3: Cross multiply
    17,915.32x = 26,868.66 × 5,603.32
  4. Step 4: Simplify right side
    17,915.32x = 150,553,699.95
  5. Step 5: Solve for x
    x = 150,553,699.95/17,915.32
  6. Step 6: Final answer
    x = 8,403.63

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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.