Home / 11,810.50-16,298.49-6,505.30

Finding the Fourth Proportional to 11,810.50, 16,298.49 and 6,505.30

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Solution

The fourth proportional to 11,810.50, 16,298.49 and 6,505.30 is: 8,977.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.50 : 16,298.49 = 6,505.30 : x
  2. Step 2: Convert to fraction form
    11,810.50/16,298.49 = 6,505.30/x
  3. Step 3: Cross multiply
    11,810.50x = 16,298.49 × 6,505.30
  4. Step 4: Simplify right side
    11,810.50x = 106,026,567.00
  5. Step 5: Solve for x
    x = 106,026,567.00/11,810.50
  6. Step 6: Final answer
    x = 8,977.31

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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.