Home / 9,855.12-14,788.70-4,308.52

Finding the Fourth Proportional to 9,855.12, 14,788.70 and 4,308.52

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Solution

The fourth proportional to 9,855.12, 14,788.70 and 4,308.52 is: 6,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.12 : 14,788.70 = 4,308.52 : x
  2. Step 2: Convert to fraction form
    9,855.12/14,788.70 = 4,308.52/x
  3. Step 3: Cross multiply
    9,855.12x = 14,788.70 × 4,308.52
  4. Step 4: Simplify right side
    9,855.12x = 63,717,409.72
  5. Step 5: Solve for x
    x = 63,717,409.72/9,855.12
  6. Step 6: Final answer
    x = 6,465.41

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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.