Home / 10,915.70-16,362.54-6,234.17

Finding the Fourth Proportional to 10,915.70, 16,362.54 and 6,234.17

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Solution

The fourth proportional to 10,915.70, 16,362.54 and 6,234.17 is: 9,344.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915.70 : 16,362.54 = 6,234.17 : x
  2. Step 2: Convert to fraction form
    10,915.70/16,362.54 = 6,234.17/x
  3. Step 3: Cross multiply
    10,915.70x = 16,362.54 × 6,234.17
  4. Step 4: Simplify right side
    10,915.70x = 102,006,774.18
  5. Step 5: Solve for x
    x = 102,006,774.18/10,915.70
  6. Step 6: Final answer
    x = 9,344.96

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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.