Home / 11,111.60-16,667.64-3,715.76

Finding the Fourth Proportional to 11,111.60, 16,667.64 and 3,715.76

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Solution

The fourth proportional to 11,111.60, 16,667.64 and 3,715.76 is: 5,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.60 : 16,667.64 = 3,715.76 : x
  2. Step 2: Convert to fraction form
    11,111.60/16,667.64 = 3,715.76/x
  3. Step 3: Cross multiply
    11,111.60x = 16,667.64 × 3,715.76
  4. Step 4: Simplify right side
    11,111.60x = 61,932,950.01
  5. Step 5: Solve for x
    x = 61,932,950.01/11,111.60
  6. Step 6: Final answer
    x = 5,573.72

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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.