Home / 11,289-15,579.30-6,572.52

Finding the Fourth Proportional to 11,289, 15,579.30 and 6,572.52

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Solution

The fourth proportional to 11,289, 15,579.30 and 6,572.52 is: 9,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289 : 15,579.30 = 6,572.52 : x
  2. Step 2: Convert to fraction form
    11,289/15,579.30 = 6,572.52/x
  3. Step 3: Cross multiply
    11,289x = 15,579.30 × 6,572.52
  4. Step 4: Simplify right side
    11,289x = 102,395,260.84
  5. Step 5: Solve for x
    x = 102,395,260.84/11,289
  6. Step 6: Final answer
    x = 9,070.36

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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.