Home / 15,148.32-22,722.72-4,618.56

Finding the Fourth Proportional to 15,148.32, 22,722.72 and 4,618.56

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Solution

The fourth proportional to 15,148.32, 22,722.72 and 4,618.56 is: 6,927.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148.32 : 22,722.72 = 4,618.56 : x
  2. Step 2: Convert to fraction form
    15,148.32/22,722.72 = 4,618.56/x
  3. Step 3: Cross multiply
    15,148.32x = 22,722.72 × 4,618.56
  4. Step 4: Simplify right side
    15,148.32x = 104,946,245.68
  5. Step 5: Solve for x
    x = 104,946,245.68/15,148.32
  6. Step 6: Final answer
    x = 6,927.91

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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.