Home / 11,810.69-16,298.75-6,505.50

Finding the Fourth Proportional to 11,810.69, 16,298.75 and 6,505.50

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Solution

The fourth proportional to 11,810.69, 16,298.75 and 6,505.50 is: 8,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.69 : 16,298.75 = 6,505.50 : x
  2. Step 2: Convert to fraction form
    11,810.69/16,298.75 = 6,505.50/x
  3. Step 3: Cross multiply
    11,810.69x = 16,298.75 × 6,505.50
  4. Step 4: Simplify right side
    11,810.69x = 106,031,518.13
  5. Step 5: Solve for x
    x = 106,031,518.13/11,810.69
  6. Step 6: Final answer
    x = 8,977.59

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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.