Home / 15,619.65-23,451.08-12,336.45

Finding the Fourth Proportional to 15,619.65, 23,451.08 and 12,336.45

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Solution

The fourth proportional to 15,619.65, 23,451.08 and 12,336.45 is: 18,521.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.65 : 23,451.08 = 12,336.45 : x
  2. Step 2: Convert to fraction form
    15,619.65/23,451.08 = 12,336.45/x
  3. Step 3: Cross multiply
    15,619.65x = 23,451.08 × 12,336.45
  4. Step 4: Simplify right side
    15,619.65x = 289,303,014.18
  5. Step 5: Solve for x
    x = 289,303,014.18/15,619.65
  6. Step 6: Final answer
    x = 18,521.73

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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.