Home / 11,019.68-15,206.88-6,303.66

Finding the Fourth Proportional to 11,019.68, 15,206.88 and 6,303.66

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Solution

The fourth proportional to 11,019.68, 15,206.88 and 6,303.66 is: 8,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.68 : 15,206.88 = 6,303.66 : x
  2. Step 2: Convert to fraction form
    11,019.68/15,206.88 = 6,303.66/x
  3. Step 3: Cross multiply
    11,019.68x = 15,206.88 × 6,303.66
  4. Step 4: Simplify right side
    11,019.68x = 95,858,967.79
  5. Step 5: Solve for x
    x = 95,858,967.79/11,019.68
  6. Step 6: Final answer
    x = 8,698.89

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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.