Home / 9,953.20-14,893.28-8,305.68

Finding the Fourth Proportional to 9,953.20, 14,893.28 and 8,305.68

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Solution

The fourth proportional to 9,953.20, 14,893.28 and 8,305.68 is: 12,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,953.20 : 14,893.28 = 8,305.68 : x
  2. Step 2: Convert to fraction form
    9,953.20/14,893.28 = 8,305.68/x
  3. Step 3: Cross multiply
    9,953.20x = 14,893.28 × 8,305.68
  4. Step 4: Simplify right side
    9,953.20x = 123,698,817.83
  5. Step 5: Solve for x
    x = 123,698,817.83/9,953.20
  6. Step 6: Final answer
    x = 12,428.05

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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.