Home / 11,123.95-16,688.65-3,332.76

Finding the Fourth Proportional to 11,123.95, 16,688.65 and 3,332.76

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Solution

The fourth proportional to 11,123.95, 16,688.65 and 3,332.76 is: 4,999.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123.95 : 16,688.65 = 3,332.76 : x
  2. Step 2: Convert to fraction form
    11,123.95/16,688.65 = 3,332.76/x
  3. Step 3: Cross multiply
    11,123.95x = 16,688.65 × 3,332.76
  4. Step 4: Simplify right side
    11,123.95x = 55,619,265.17
  5. Step 5: Solve for x
    x = 55,619,265.17/11,123.95
  6. Step 6: Final answer
    x = 4,999.96

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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.