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Finding the Fourth Proportional to 8,885.55, 13,329.13 and 6,574.21

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Solution

The fourth proportional to 8,885.55, 13,329.13 and 6,574.21 is: 9,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.55 : 13,329.13 = 6,574.21 : x
  2. Step 2: Convert to fraction form
    8,885.55/13,329.13 = 6,574.21/x
  3. Step 3: Cross multiply
    8,885.55x = 13,329.13 × 6,574.21
  4. Step 4: Simplify right side
    8,885.55x = 87,628,555.77
  5. Step 5: Solve for x
    x = 87,628,555.77/8,885.55
  6. Step 6: Final answer
    x = 9,861.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.