Home / 13,935.12-20,904.68-4,575.88

Finding the Fourth Proportional to 13,935.12, 20,904.68 and 4,575.88

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Solution

The fourth proportional to 13,935.12, 20,904.68 and 4,575.88 is: 6,864.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.12 : 20,904.68 = 4,575.88 : x
  2. Step 2: Convert to fraction form
    13,935.12/20,904.68 = 4,575.88/x
  3. Step 3: Cross multiply
    13,935.12x = 20,904.68 × 4,575.88
  4. Step 4: Simplify right side
    13,935.12x = 95,657,307.12
  5. Step 5: Solve for x
    x = 95,657,307.12/13,935.12
  6. Step 6: Final answer
    x = 6,864.48

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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.