Home / 11,281.34-15,567.75-6,245.21

Finding the Fourth Proportional to 11,281.34, 15,567.75 and 6,245.21

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Solution

The fourth proportional to 11,281.34, 15,567.75 and 6,245.21 is: 8,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.34 : 15,567.75 = 6,245.21 : x
  2. Step 2: Convert to fraction form
    11,281.34/15,567.75 = 6,245.21/x
  3. Step 3: Cross multiply
    11,281.34x = 15,567.75 × 6,245.21
  4. Step 4: Simplify right side
    11,281.34x = 97,223,797.83
  5. Step 5: Solve for x
    x = 97,223,797.83/11,281.34
  6. Step 6: Final answer
    x = 8,618.11

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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.