Home / 11,119.32-16,695.59-6,985.49

Finding the Fourth Proportional to 11,119.32, 16,695.59 and 6,985.49

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Solution

The fourth proportional to 11,119.32, 16,695.59 and 6,985.49 is: 10,488.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.32 : 16,695.59 = 6,985.49 : x
  2. Step 2: Convert to fraction form
    11,119.32/16,695.59 = 6,985.49/x
  3. Step 3: Cross multiply
    11,119.32x = 16,695.59 × 6,985.49
  4. Step 4: Simplify right side
    11,119.32x = 116,626,758.58
  5. Step 5: Solve for x
    x = 116,626,758.58/11,119.32
  6. Step 6: Final answer
    x = 10,488.66

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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.