Home / 16,845.30-25,271.55-5,159.70

Finding the Fourth Proportional to 16,845.30, 25,271.55 and 5,159.70

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Solution

The fourth proportional to 16,845.30, 25,271.55 and 5,159.70 is: 7,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,845.30 : 25,271.55 = 5,159.70 : x
  2. Step 2: Convert to fraction form
    16,845.30/25,271.55 = 5,159.70/x
  3. Step 3: Cross multiply
    16,845.30x = 25,271.55 × 5,159.70
  4. Step 4: Simplify right side
    16,845.30x = 130,393,616.54
  5. Step 5: Solve for x
    x = 130,393,616.54/16,845.30
  6. Step 6: Final answer
    x = 7,740.65

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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.