Home / 11,810.31-16,298.10-6,504.99

Finding the Fourth Proportional to 11,810.31, 16,298.10 and 6,504.99

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Solution

The fourth proportional to 11,810.31, 16,298.10 and 6,504.99 is: 8,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.31 : 16,298.10 = 6,504.99 : x
  2. Step 2: Convert to fraction form
    11,810.31/16,298.10 = 6,504.99/x
  3. Step 3: Cross multiply
    11,810.31x = 16,298.10 × 6,504.99
  4. Step 4: Simplify right side
    11,810.31x = 106,018,977.52
  5. Step 5: Solve for x
    x = 106,018,977.52/11,810.31
  6. Step 6: Final answer
    x = 8,976.82

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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.