Home / 10,558.08-15,769.68-9,555.90

Finding the Fourth Proportional to 10,558.08, 15,769.68 and 9,555.90

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Solution

The fourth proportional to 10,558.08, 15,769.68 and 9,555.90 is: 14,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.08 : 15,769.68 = 9,555.90 : x
  2. Step 2: Convert to fraction form
    10,558.08/15,769.68 = 9,555.90/x
  3. Step 3: Cross multiply
    10,558.08x = 15,769.68 × 9,555.90
  4. Step 4: Simplify right side
    10,558.08x = 150,693,390.14
  5. Step 5: Solve for x
    x = 150,693,390.14/10,558.08
  6. Step 6: Final answer
    x = 14,272.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.