Home / 14,269.38-21,405.52-4,910.16

Finding the Fourth Proportional to 14,269.38, 21,405.52 and 4,910.16

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Solution

The fourth proportional to 14,269.38, 21,405.52 and 4,910.16 is: 7,365.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.38 : 21,405.52 = 4,910.16 : x
  2. Step 2: Convert to fraction form
    14,269.38/21,405.52 = 4,910.16/x
  3. Step 3: Cross multiply
    14,269.38x = 21,405.52 × 4,910.16
  4. Step 4: Simplify right side
    14,269.38x = 105,104,528.08
  5. Step 5: Solve for x
    x = 105,104,528.08/14,269.38
  6. Step 6: Final answer
    x = 7,365.74

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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.