Home / 15,104.05-22,554.34-12,336.21

Finding the Fourth Proportional to 15,104.05, 22,554.34 and 12,336.21

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Solution

The fourth proportional to 15,104.05, 22,554.34 and 12,336.21 is: 18,421.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104.05 : 22,554.34 = 12,336.21 : x
  2. Step 2: Convert to fraction form
    15,104.05/22,554.34 = 12,336.21/x
  3. Step 3: Cross multiply
    15,104.05x = 22,554.34 × 12,336.21
  4. Step 4: Simplify right side
    15,104.05x = 278,235,043.81
  5. Step 5: Solve for x
    x = 278,235,043.81/15,104.05
  6. Step 6: Final answer
    x = 18,421.22

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.