Home / 10,443.80-14,412.44-5,728.08

Finding the Fourth Proportional to 10,443.80, 14,412.44 and 5,728.08

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Solution

The fourth proportional to 10,443.80, 14,412.44 and 5,728.08 is: 7,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.80 : 14,412.44 = 5,728.08 : x
  2. Step 2: Convert to fraction form
    10,443.80/14,412.44 = 5,728.08/x
  3. Step 3: Cross multiply
    10,443.80x = 14,412.44 × 5,728.08
  4. Step 4: Simplify right side
    10,443.80x = 82,555,677.68
  5. Step 5: Solve for x
    x = 82,555,677.68/10,443.80
  6. Step 6: Final answer
    x = 7,904.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.