Home / 17,148.15-25,715.43-6,612.30

Finding the Fourth Proportional to 17,148.15, 25,715.43 and 6,612.30

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Solution

The fourth proportional to 17,148.15, 25,715.43 and 6,612.30 is: 9,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,148.15 : 25,715.43 = 6,612.30 : x
  2. Step 2: Convert to fraction form
    17,148.15/25,715.43 = 6,612.30/x
  3. Step 3: Cross multiply
    17,148.15x = 25,715.43 × 6,612.30
  4. Step 4: Simplify right side
    17,148.15x = 170,038,137.79
  5. Step 5: Solve for x
    x = 170,038,137.79/17,148.15
  6. Step 6: Final answer
    x = 9,915.83

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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.