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Finding the Fourth Proportional to 10,695.58, 16,012.09 and 6,239.62

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Solution

The fourth proportional to 10,695.58, 16,012.09 and 6,239.62 is: 9,341.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,695.58 : 16,012.09 = 6,239.62 : x
  2. Step 2: Convert to fraction form
    10,695.58/16,012.09 = 6,239.62/x
  3. Step 3: Cross multiply
    10,695.58x = 16,012.09 × 6,239.62
  4. Step 4: Simplify right side
    10,695.58x = 99,909,357.01
  5. Step 5: Solve for x
    x = 99,909,357.01/10,695.58
  6. Step 6: Final answer
    x = 9,341.18

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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.