Home / 11,567.21-15,961.30-6,530.81

Finding the Fourth Proportional to 11,567.21, 15,961.30 and 6,530.81

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Solution

The fourth proportional to 11,567.21, 15,961.30 and 6,530.81 is: 9,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,567.21 : 15,961.30 = 6,530.81 : x
  2. Step 2: Convert to fraction form
    11,567.21/15,961.30 = 6,530.81/x
  3. Step 3: Cross multiply
    11,567.21x = 15,961.30 × 6,530.81
  4. Step 4: Simplify right side
    11,567.21x = 104,240,217.65
  5. Step 5: Solve for x
    x = 104,240,217.65/11,567.21
  6. Step 6: Final answer
    x = 9,011.70

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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.