Home / 11,019.18-15,206.40-6,303.54

Finding the Fourth Proportional to 11,019.18, 15,206.40 and 6,303.54

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Solution

The fourth proportional to 11,019.18, 15,206.40 and 6,303.54 is: 8,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.18 : 15,206.40 = 6,303.54 : x
  2. Step 2: Convert to fraction form
    11,019.18/15,206.40 = 6,303.54/x
  3. Step 3: Cross multiply
    11,019.18x = 15,206.40 × 6,303.54
  4. Step 4: Simplify right side
    11,019.18x = 95,854,150.66
  5. Step 5: Solve for x
    x = 95,854,150.66/11,019.18
  6. Step 6: Final answer
    x = 8,698.85

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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.