Home / 9,008.36-12,430.96-5,028.69

Finding the Fourth Proportional to 9,008.36, 12,430.96 and 5,028.69

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Solution

The fourth proportional to 9,008.36, 12,430.96 and 5,028.69 is: 6,939.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.36 : 12,430.96 = 5,028.69 : x
  2. Step 2: Convert to fraction form
    9,008.36/12,430.96 = 5,028.69/x
  3. Step 3: Cross multiply
    9,008.36x = 12,430.96 × 5,028.69
  4. Step 4: Simplify right side
    9,008.36x = 62,511,444.24
  5. Step 5: Solve for x
    x = 62,511,444.24/9,008.36
  6. Step 6: Final answer
    x = 6,939.27

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Half scale
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Double scale
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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.