Home / 11,106.20-16,659.30-10,261.40

Finding the Fourth Proportional to 11,106.20, 16,659.30 and 10,261.40

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Solution

The fourth proportional to 11,106.20, 16,659.30 and 10,261.40 is: 15,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.20 : 16,659.30 = 10,261.40 : x
  2. Step 2: Convert to fraction form
    11,106.20/16,659.30 = 10,261.40/x
  3. Step 3: Cross multiply
    11,106.20x = 16,659.30 × 10,261.40
  4. Step 4: Simplify right side
    11,106.20x = 170,947,741.02
  5. Step 5: Solve for x
    x = 170,947,741.02/11,106.20
  6. Step 6: Final answer
    x = 15,392.10

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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.