Home / 15,212.93-22,820.81-4,119.71

Finding the Fourth Proportional to 15,212.93, 22,820.81 and 4,119.71

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Solution

The fourth proportional to 15,212.93, 22,820.81 and 4,119.71 is: 6,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,212.93 : 22,820.81 = 4,119.71 : x
  2. Step 2: Convert to fraction form
    15,212.93/22,820.81 = 4,119.71/x
  3. Step 3: Cross multiply
    15,212.93x = 22,820.81 × 4,119.71
  4. Step 4: Simplify right side
    15,212.93x = 94,014,984.46
  5. Step 5: Solve for x
    x = 94,014,984.46/15,212.93
  6. Step 6: Final answer
    x = 6,179.94

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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.