Home / 10,277.42-15,406.90-8,533.63

Finding the Fourth Proportional to 10,277.42, 15,406.90 and 8,533.63

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Solution

The fourth proportional to 10,277.42, 15,406.90 and 8,533.63 is: 12,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.42 : 15,406.90 = 8,533.63 : x
  2. Step 2: Convert to fraction form
    10,277.42/15,406.90 = 8,533.63/x
  3. Step 3: Cross multiply
    10,277.42x = 15,406.90 × 8,533.63
  4. Step 4: Simplify right side
    10,277.42x = 131,476,664.34
  5. Step 5: Solve for x
    x = 131,476,664.34/10,277.42
  6. Step 6: Final answer
    x = 12,792.78

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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.