Home / 15,210.07-20,988.88-11,627.44

Finding the Fourth Proportional to 15,210.07, 20,988.88 and 11,627.44

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Solution

The fourth proportional to 15,210.07, 20,988.88 and 11,627.44 is: 16,045.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,210.07 : 20,988.88 = 11,627.44 : x
  2. Step 2: Convert to fraction form
    15,210.07/20,988.88 = 11,627.44/x
  3. Step 3: Cross multiply
    15,210.07x = 20,988.88 × 11,627.44
  4. Step 4: Simplify right side
    15,210.07x = 244,046,942.87
  5. Step 5: Solve for x
    x = 244,046,942.87/15,210.07
  6. Step 6: Final answer
    x = 16,045.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.