Home / 11,062.69-15,285.93-8,842.87

Finding the Fourth Proportional to 11,062.69, 15,285.93 and 8,842.87

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Solution

The fourth proportional to 11,062.69, 15,285.93 and 8,842.87 is: 12,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,062.69 : 15,285.93 = 8,842.87 : x
  2. Step 2: Convert to fraction form
    11,062.69/15,285.93 = 8,842.87/x
  3. Step 3: Cross multiply
    11,062.69x = 15,285.93 × 8,842.87
  4. Step 4: Simplify right side
    11,062.69x = 135,171,491.82
  5. Step 5: Solve for x
    x = 135,171,491.82/11,062.69
  6. Step 6: Final answer
    x = 12,218.68

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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.