Home / 11,014.96-16,489.63-10,621.30

Finding the Fourth Proportional to 11,014.96, 16,489.63 and 10,621.30

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Solution

The fourth proportional to 11,014.96, 16,489.63 and 10,621.30 is: 15,900.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,014.96 : 16,489.63 = 10,621.30 : x
  2. Step 2: Convert to fraction form
    11,014.96/16,489.63 = 10,621.30/x
  3. Step 3: Cross multiply
    11,014.96x = 16,489.63 × 10,621.30
  4. Step 4: Simplify right side
    11,014.96x = 175,141,307.12
  5. Step 5: Solve for x
    x = 175,141,307.12/11,014.96
  6. Step 6: Final answer
    x = 15,900.31

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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.