Home / 14,041.32-21,045.78-5,270.64

Finding the Fourth Proportional to 14,041.32, 21,045.78 and 5,270.64

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Solution

The fourth proportional to 14,041.32, 21,045.78 and 5,270.64 is: 7,899.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.32 : 21,045.78 = 5,270.64 : x
  2. Step 2: Convert to fraction form
    14,041.32/21,045.78 = 5,270.64/x
  3. Step 3: Cross multiply
    14,041.32x = 21,045.78 × 5,270.64
  4. Step 4: Simplify right side
    14,041.32x = 110,924,729.90
  5. Step 5: Solve for x
    x = 110,924,729.90/14,041.32
  6. Step 6: Final answer
    x = 7,899.88

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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.