Home / 11,281.56-15,567.18-6,245.40

Finding the Fourth Proportional to 11,281.56, 15,567.18 and 6,245.40

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Solution

The fourth proportional to 11,281.56, 15,567.18 and 6,245.40 is: 8,617.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.56 : 15,567.18 = 6,245.40 : x
  2. Step 2: Convert to fraction form
    11,281.56/15,567.18 = 6,245.40/x
  3. Step 3: Cross multiply
    11,281.56x = 15,567.18 × 6,245.40
  4. Step 4: Simplify right side
    11,281.56x = 97,223,265.97
  5. Step 5: Solve for x
    x = 97,223,265.97/11,281.56
  6. Step 6: Final answer
    x = 8,617.89

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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.