Home / 15,964.80-23,946.31-4,870.61

Finding the Fourth Proportional to 15,964.80, 23,946.31 and 4,870.61

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Solution

The fourth proportional to 15,964.80, 23,946.31 and 4,870.61 is: 7,305.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.80 : 23,946.31 = 4,870.61 : x
  2. Step 2: Convert to fraction form
    15,964.80/23,946.31 = 4,870.61/x
  3. Step 3: Cross multiply
    15,964.80x = 23,946.31 × 4,870.61
  4. Step 4: Simplify right side
    15,964.80x = 116,633,136.95
  5. Step 5: Solve for x
    x = 116,633,136.95/15,964.80
  6. Step 6: Final answer
    x = 7,305.64

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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.