Home / 14,252.81-21,357.33-8,697.83

Finding the Fourth Proportional to 14,252.81, 21,357.33 and 8,697.83

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Solution

The fourth proportional to 14,252.81, 21,357.33 and 8,697.83 is: 13,033.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,252.81 : 21,357.33 = 8,697.83 : x
  2. Step 2: Convert to fraction form
    14,252.81/21,357.33 = 8,697.83/x
  3. Step 3: Cross multiply
    14,252.81x = 21,357.33 × 8,697.83
  4. Step 4: Simplify right side
    14,252.81x = 185,762,318.81
  5. Step 5: Solve for x
    x = 185,762,318.81/14,252.81
  6. Step 6: Final answer
    x = 13,033.39

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1.5x scale

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.