Home / 15,138.71-22,709.23-4,609.63

Finding the Fourth Proportional to 15,138.71, 22,709.23 and 4,609.63

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Solution

The fourth proportional to 15,138.71, 22,709.23 and 4,609.63 is: 6,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.71 : 22,709.23 = 4,609.63 : x
  2. Step 2: Convert to fraction form
    15,138.71/22,709.23 = 4,609.63/x
  3. Step 3: Cross multiply
    15,138.71x = 22,709.23 × 4,609.63
  4. Step 4: Simplify right side
    15,138.71x = 104,681,228.62
  5. Step 5: Solve for x
    x = 104,681,228.62/15,138.71
  6. Step 6: Final answer
    x = 6,914.80

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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.