Home / 10,870.39-16,277.68-7,533.88

Finding the Fourth Proportional to 10,870.39, 16,277.68 and 7,533.88

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Solution

The fourth proportional to 10,870.39, 16,277.68 and 7,533.88 is: 11,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,870.39 : 16,277.68 = 7,533.88 : x
  2. Step 2: Convert to fraction form
    10,870.39/16,277.68 = 7,533.88/x
  3. Step 3: Cross multiply
    10,870.39x = 16,277.68 × 7,533.88
  4. Step 4: Simplify right side
    10,870.39x = 122,634,087.80
  5. Step 5: Solve for x
    x = 122,634,087.80/10,870.39
  6. Step 6: Final answer
    x = 11,281.48

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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.