Home / 11,015.10-16,559.10-9,411.30

Finding the Fourth Proportional to 11,015.10, 16,559.10 and 9,411.30

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Solution

The fourth proportional to 11,015.10, 16,559.10 and 9,411.30 is: 14,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.10 : 16,559.10 = 9,411.30 : x
  2. Step 2: Convert to fraction form
    11,015.10/16,559.10 = 9,411.30/x
  3. Step 3: Cross multiply
    11,015.10x = 16,559.10 × 9,411.30
  4. Step 4: Simplify right side
    11,015.10x = 155,842,657.83
  5. Step 5: Solve for x
    x = 155,842,657.83/11,015.10
  6. Step 6: Final answer
    x = 14,148.09

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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.