Home / 11,124.28-16,688.27-5,277.70

Finding the Fourth Proportional to 11,124.28, 16,688.27 and 5,277.70

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Solution

The fourth proportional to 11,124.28, 16,688.27 and 5,277.70 is: 7,917.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.28 : 16,688.27 = 5,277.70 : x
  2. Step 2: Convert to fraction form
    11,124.28/16,688.27 = 5,277.70/x
  3. Step 3: Cross multiply
    11,124.28x = 16,688.27 × 5,277.70
  4. Step 4: Simplify right side
    11,124.28x = 88,075,656.19
  5. Step 5: Solve for x
    x = 88,075,656.19/11,124.28
  6. Step 6: Final answer
    x = 7,917.43

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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.