Home / 16,895.60-25,348.80-5,809.40

Finding the Fourth Proportional to 16,895.60, 25,348.80 and 5,809.40

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Solution

The fourth proportional to 16,895.60, 25,348.80 and 5,809.40 is: 8,715.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.60 : 25,348.80 = 5,809.40 : x
  2. Step 2: Convert to fraction form
    16,895.60/25,348.80 = 5,809.40/x
  3. Step 3: Cross multiply
    16,895.60x = 25,348.80 × 5,809.40
  4. Step 4: Simplify right side
    16,895.60x = 147,261,318.72
  5. Step 5: Solve for x
    x = 147,261,318.72/16,895.60
  6. Step 6: Final answer
    x = 8,715.96

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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.