Home / 11,285.28-16,931.40-5,050.56

Finding the Fourth Proportional to 11,285.28, 16,931.40 and 5,050.56

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Solution

The fourth proportional to 11,285.28, 16,931.40 and 5,050.56 is: 7,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.28 : 16,931.40 = 5,050.56 : x
  2. Step 2: Convert to fraction form
    11,285.28/16,931.40 = 5,050.56/x
  3. Step 3: Cross multiply
    11,285.28x = 16,931.40 × 5,050.56
  4. Step 4: Simplify right side
    11,285.28x = 85,513,051.58
  5. Step 5: Solve for x
    x = 85,513,051.58/11,285.28
  6. Step 6: Final answer
    x = 7,577.40

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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.