Home / 11,289.62-15,577.68-6,508.46

Finding the Fourth Proportional to 11,289.62, 15,577.68 and 6,508.46

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Solution

The fourth proportional to 11,289.62, 15,577.68 and 6,508.46 is: 8,980.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.62 : 15,577.68 = 6,508.46 : x
  2. Step 2: Convert to fraction form
    11,289.62/15,577.68 = 6,508.46/x
  3. Step 3: Cross multiply
    11,289.62x = 15,577.68 × 6,508.46
  4. Step 4: Simplify right side
    11,289.62x = 101,386,707.17
  5. Step 5: Solve for x
    x = 101,386,707.17/11,289.62
  6. Step 6: Final answer
    x = 8,980.52

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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.