Home / 14,503.92-21,771-10,827.60

Finding the Fourth Proportional to 14,503.92, 21,771 and 10,827.60

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Solution

The fourth proportional to 14,503.92, 21,771 and 10,827.60 is: 16,252.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503.92 : 21,771 = 10,827.60 : x
  2. Step 2: Convert to fraction form
    14,503.92/21,771 = 10,827.60/x
  3. Step 3: Cross multiply
    14,503.92x = 21,771 × 10,827.60
  4. Step 4: Simplify right side
    14,503.92x = 235,727,679.60
  5. Step 5: Solve for x
    x = 235,727,679.60/14,503.92
  6. Step 6: Final answer
    x = 16,252.69

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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.