Home / 9,415.05-14,124.98-6,647.12

Finding the Fourth Proportional to 9,415.05, 14,124.98 and 6,647.12

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Solution

The fourth proportional to 9,415.05, 14,124.98 and 6,647.12 is: 9,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.05 : 14,124.98 = 6,647.12 : x
  2. Step 2: Convert to fraction form
    9,415.05/14,124.98 = 6,647.12/x
  3. Step 3: Cross multiply
    9,415.05x = 14,124.98 × 6,647.12
  4. Step 4: Simplify right side
    9,415.05x = 93,890,333.20
  5. Step 5: Solve for x
    x = 93,890,333.20/9,415.05
  6. Step 6: Final answer
    x = 9,972.37

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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.