Home / 9,433.40-14,150.10-8,412.80

Finding the Fourth Proportional to 9,433.40, 14,150.10 and 8,412.80

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Solution

The fourth proportional to 9,433.40, 14,150.10 and 8,412.80 is: 12,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,433.40 : 14,150.10 = 8,412.80 : x
  2. Step 2: Convert to fraction form
    9,433.40/14,150.10 = 8,412.80/x
  3. Step 3: Cross multiply
    9,433.40x = 14,150.10 × 8,412.80
  4. Step 4: Simplify right side
    9,433.40x = 119,041,961.28
  5. Step 5: Solve for x
    x = 119,041,961.28/9,433.40
  6. Step 6: Final answer
    x = 12,619.20

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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.