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Finding the Fourth Proportional to 10,473.60, 15,710.60 and 8,383.90

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Solution

The fourth proportional to 10,473.60, 15,710.60 and 8,383.90 is: 12,576.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,473.60 : 15,710.60 = 8,383.90 : x
  2. Step 2: Convert to fraction form
    10,473.60/15,710.60 = 8,383.90/x
  3. Step 3: Cross multiply
    10,473.60x = 15,710.60 × 8,383.90
  4. Step 4: Simplify right side
    10,473.60x = 131,716,099.34
  5. Step 5: Solve for x
    x = 131,716,099.34/10,473.60
  6. Step 6: Final answer
    x = 12,576.01

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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.