Home / 11,805.52-16,291.44-6,500.16

Finding the Fourth Proportional to 11,805.52, 16,291.44 and 6,500.16

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Solution

The fourth proportional to 11,805.52, 16,291.44 and 6,500.16 is: 8,970.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.52 : 16,291.44 = 6,500.16 : x
  2. Step 2: Convert to fraction form
    11,805.52/16,291.44 = 6,500.16/x
  3. Step 3: Cross multiply
    11,805.52x = 16,291.44 × 6,500.16
  4. Step 4: Simplify right side
    11,805.52x = 105,896,966.63
  5. Step 5: Solve for x
    x = 105,896,966.63/11,805.52
  6. Step 6: Final answer
    x = 8,970.12

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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.