Home / 15,270.42-22,908.09-7,479.84

Finding the Fourth Proportional to 15,270.42, 22,908.09 and 7,479.84

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Solution

The fourth proportional to 15,270.42, 22,908.09 and 7,479.84 is: 11,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270.42 : 22,908.09 = 7,479.84 : x
  2. Step 2: Convert to fraction form
    15,270.42/22,908.09 = 7,479.84/x
  3. Step 3: Cross multiply
    15,270.42x = 22,908.09 × 7,479.84
  4. Step 4: Simplify right side
    15,270.42x = 171,348,847.91
  5. Step 5: Solve for x
    x = 171,348,847.91/15,270.42
  6. Step 6: Final answer
    x = 11,220.96

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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.