Home / 11,089.17-15,289.44-6,890.13

Finding the Fourth Proportional to 11,089.17, 15,289.44 and 6,890.13

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Solution

The fourth proportional to 11,089.17, 15,289.44 and 6,890.13 is: 9,499.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.17 : 15,289.44 = 6,890.13 : x
  2. Step 2: Convert to fraction form
    11,089.17/15,289.44 = 6,890.13/x
  3. Step 3: Cross multiply
    11,089.17x = 15,289.44 × 6,890.13
  4. Step 4: Simplify right side
    11,089.17x = 105,346,229.23
  5. Step 5: Solve for x
    x = 105,346,229.23/11,089.17
  6. Step 6: Final answer
    x = 9,499.92

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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.