Home / 9,629.80-14,444.70-8,247.40

Finding the Fourth Proportional to 9,629.80, 14,444.70 and 8,247.40

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Solution

The fourth proportional to 9,629.80, 14,444.70 and 8,247.40 is: 12,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,629.80 : 14,444.70 = 8,247.40 : x
  2. Step 2: Convert to fraction form
    9,629.80/14,444.70 = 8,247.40/x
  3. Step 3: Cross multiply
    9,629.80x = 14,444.70 × 8,247.40
  4. Step 4: Simplify right side
    9,629.80x = 119,131,218.78
  5. Step 5: Solve for x
    x = 119,131,218.78/9,629.80
  6. Step 6: Final answer
    x = 12,371.10

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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.