Home / 10,962.72-15,027.08-10,815.03

Finding the Fourth Proportional to 10,962.72, 15,027.08 and 10,815.03

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Solution

The fourth proportional to 10,962.72, 15,027.08 and 10,815.03 is: 14,824.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.72 : 15,027.08 = 10,815.03 : x
  2. Step 2: Convert to fraction form
    10,962.72/15,027.08 = 10,815.03/x
  3. Step 3: Cross multiply
    10,962.72x = 15,027.08 × 10,815.03
  4. Step 4: Simplify right side
    10,962.72x = 162,518,266.94
  5. Step 5: Solve for x
    x = 162,518,266.94/10,962.72
  6. Step 6: Final answer
    x = 14,824.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.