Home / 11,017.64-15,215.86-10,069.88

Finding the Fourth Proportional to 11,017.64, 15,215.86 and 10,069.88

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Solution

The fourth proportional to 11,017.64, 15,215.86 and 10,069.88 is: 13,906.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017.64 : 15,215.86 = 10,069.88 : x
  2. Step 2: Convert to fraction form
    11,017.64/15,215.86 = 10,069.88/x
  3. Step 3: Cross multiply
    11,017.64x = 15,215.86 × 10,069.88
  4. Step 4: Simplify right side
    11,017.64x = 153,221,884.30
  5. Step 5: Solve for x
    x = 153,221,884.30/11,017.64
  6. Step 6: Final answer
    x = 13,906.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.