Home / 17,915.53-26,873.36-5,435.66

Finding the Fourth Proportional to 17,915.53, 26,873.36 and 5,435.66

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Solution

The fourth proportional to 17,915.53, 26,873.36 and 5,435.66 is: 8,153.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.53 : 26,873.36 = 5,435.66 : x
  2. Step 2: Convert to fraction form
    17,915.53/26,873.36 = 5,435.66/x
  3. Step 3: Cross multiply
    17,915.53x = 26,873.36 × 5,435.66
  4. Step 4: Simplify right side
    17,915.53x = 146,074,407.63
  5. Step 5: Solve for x
    x = 146,074,407.63/17,915.53
  6. Step 6: Final answer
    x = 8,153.51

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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.