Home / 15,212.16-22,818.21-4,119.15

Finding the Fourth Proportional to 15,212.16, 22,818.21 and 4,119.15

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Solution

The fourth proportional to 15,212.16, 22,818.21 and 4,119.15 is: 6,178.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,212.16 : 22,818.21 = 4,119.15 : x
  2. Step 2: Convert to fraction form
    15,212.16/22,818.21 = 4,119.15/x
  3. Step 3: Cross multiply
    15,212.16x = 22,818.21 × 4,119.15
  4. Step 4: Simplify right side
    15,212.16x = 93,991,629.72
  5. Step 5: Solve for x
    x = 93,991,629.72/15,212.16
  6. Step 6: Final answer
    x = 6,178.72

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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.