Home / 10,864.92-16,285.08-7,490.11

Finding the Fourth Proportional to 10,864.92, 16,285.08 and 7,490.11

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Solution

The fourth proportional to 10,864.92, 16,285.08 and 7,490.11 is: 11,226.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,864.92 : 16,285.08 = 7,490.11 : x
  2. Step 2: Convert to fraction form
    10,864.92/16,285.08 = 7,490.11/x
  3. Step 3: Cross multiply
    10,864.92x = 16,285.08 × 7,490.11
  4. Step 4: Simplify right side
    10,864.92x = 121,977,040.56
  5. Step 5: Solve for x
    x = 121,977,040.56/10,864.92
  6. Step 6: Final answer
    x = 11,226.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.