Home / 12,560.50-17,333.71-6,895.78

Finding the Fourth Proportional to 12,560.50, 17,333.71 and 6,895.78

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Solution

The fourth proportional to 12,560.50, 17,333.71 and 6,895.78 is: 9,516.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.50 : 17,333.71 = 6,895.78 : x
  2. Step 2: Convert to fraction form
    12,560.50/17,333.71 = 6,895.78/x
  3. Step 3: Cross multiply
    12,560.50x = 17,333.71 × 6,895.78
  4. Step 4: Simplify right side
    12,560.50x = 119,529,364.08
  5. Step 5: Solve for x
    x = 119,529,364.08/12,560.50
  6. Step 6: Final answer
    x = 9,516.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.