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Finding the Fourth Proportional to 10,804.10, 16,206.15 and 4,648.10

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Solution

The fourth proportional to 10,804.10, 16,206.15 and 4,648.10 is: 6,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,804.10 : 16,206.15 = 4,648.10 : x
  2. Step 2: Convert to fraction form
    10,804.10/16,206.15 = 4,648.10/x
  3. Step 3: Cross multiply
    10,804.10x = 16,206.15 × 4,648.10
  4. Step 4: Simplify right side
    10,804.10x = 75,327,805.82
  5. Step 5: Solve for x
    x = 75,327,805.82/10,804.10
  6. Step 6: Final answer
    x = 6,972.15

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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.