Home / 11,019.81-15,208.38-6,303.18

Finding the Fourth Proportional to 11,019.81, 15,208.38 and 6,303.18

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Solution

The fourth proportional to 11,019.81, 15,208.38 and 6,303.18 is: 8,698.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.81 : 15,208.38 = 6,303.18 : x
  2. Step 2: Convert to fraction form
    11,019.81/15,208.38 = 6,303.18/x
  3. Step 3: Cross multiply
    11,019.81x = 15,208.38 × 6,303.18
  4. Step 4: Simplify right side
    11,019.81x = 95,861,156.65
  5. Step 5: Solve for x
    x = 95,861,156.65/11,019.81
  6. Step 6: Final answer
    x = 8,698.98

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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.