Home / 19,915.20-27,482.97-10,962.66

Finding the Fourth Proportional to 19,915.20, 27,482.97 and 10,962.66

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Solution

The fourth proportional to 19,915.20, 27,482.97 and 10,962.66 is: 15,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,915.20 : 27,482.97 = 10,962.66 : x
  2. Step 2: Convert to fraction form
    19,915.20/27,482.97 = 10,962.66/x
  3. Step 3: Cross multiply
    19,915.20x = 27,482.97 × 10,962.66
  4. Step 4: Simplify right side
    19,915.20x = 301,286,325.43
  5. Step 5: Solve for x
    x = 301,286,325.43/19,915.20
  6. Step 6: Final answer
    x = 15,128.46

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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.