Home / 15,747.40-23,620.70-6,384.91

Finding the Fourth Proportional to 15,747.40, 23,620.70 and 6,384.91

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Solution

The fourth proportional to 15,747.40, 23,620.70 and 6,384.91 is: 9,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747.40 : 23,620.70 = 6,384.91 : x
  2. Step 2: Convert to fraction form
    15,747.40/23,620.70 = 6,384.91/x
  3. Step 3: Cross multiply
    15,747.40x = 23,620.70 × 6,384.91
  4. Step 4: Simplify right side
    15,747.40x = 150,816,043.64
  5. Step 5: Solve for x
    x = 150,816,043.64/15,747.40
  6. Step 6: Final answer
    x = 9,577.20

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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.