Home / 8,847.34-13,331.47-7,320.85

Finding the Fourth Proportional to 8,847.34, 13,331.47 and 7,320.85

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Solution

The fourth proportional to 8,847.34, 13,331.47 and 7,320.85 is: 11,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.34 : 13,331.47 = 7,320.85 : x
  2. Step 2: Convert to fraction form
    8,847.34/13,331.47 = 7,320.85/x
  3. Step 3: Cross multiply
    8,847.34x = 13,331.47 × 7,320.85
  4. Step 4: Simplify right side
    8,847.34x = 97,597,654.25
  5. Step 5: Solve for x
    x = 97,597,654.25/8,847.34
  6. Step 6: Final answer
    x = 11,031.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.