Home / 9,429.20-14,151.90-4,172.30

Finding the Fourth Proportional to 9,429.20, 14,151.90 and 4,172.30

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Solution

The fourth proportional to 9,429.20, 14,151.90 and 4,172.30 is: 6,262.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.20 : 14,151.90 = 4,172.30 : x
  2. Step 2: Convert to fraction form
    9,429.20/14,151.90 = 4,172.30/x
  3. Step 3: Cross multiply
    9,429.20x = 14,151.90 × 4,172.30
  4. Step 4: Simplify right side
    9,429.20x = 59,045,972.37
  5. Step 5: Solve for x
    x = 59,045,972.37/9,429.20
  6. Step 6: Final answer
    x = 6,262.03

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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.